The pink parts of the graph represent the pH range where some common freshwater organisms survive. If the pH of a lake were to start at 3 and become more basic, at what pH would these freshwater organisms begin to die out?

Answers

Answer 1
Most organisms can tolerate a very narrow pH range close to neutral, i.e., around pH 7. It is likely that there would not be much life in the lake at pH 3. Once the pH increases to above 5.5 to 6, it is more likely that life would begin to survive. Once the pH rises to above around 9, the solution is starting to become basic, and once again, few organisms will survive. 
Answer 2

4.0 As the pH increases, the first type of fish, catfish, would begin to die off at a pH of 4.0. By the time the pH increased to 5.5, all organisms would be removed.


Related Questions

Exploring how indoor air pollutants lead to respiratory problems is an example of using biology to ?

Answers

to improve the human health

Using biology to explore how indoor air pollutants lead to respiratory problems involves understanding the impact of environmental factors on human health. Proper ventilation and proactive measures can significantly reduce these health risks.

Exploring how indoor air pollutants lead to respiratory problems involves using biology to understand the effects of the environment on human health. Indoor air pollutants, such as bacteria, molds, pollen, radon, and environmental tobacco smoke, can cause respiratory issues and other health problems. Most people spend a significant amount of their time indoors, making the quality of indoor air a pertinent health concern. Indoor air pollution is responsible for a substantial number of respiratory infections, particularly among sensitive groups like women and children.

To improve indoor air quality, it's crucial to ensure proper ventilation and to minimize exposure to pollutants. This can be achieved by identifying sources of pollutants, such as building materials, household products, and inadequate ventilation systems, and taking steps to reduce their impact. For example, replacing inefficient stoves with better cooking technology in households can lead to a significant decrease in health risks associated with indoor air pollution.

It is also important for students to be aware of the recommendations for reducing exposure to indoor air pollution. This includes regularly maintaining heating and cooling systems, using air purifiers, and avoiding smoking indoors. Awareness and proactive measures can contribute to healthier living environments and reduce the incidence of respiratory problems associated with poor indoor air quality.

Open reduction for a fracture uses __________ to align the ends of the bone.

Answers

Answer:

Surgery

Explanation:

In treatment of fractured bones through open fracture methodology, the care provider or the surgeon creates an opening to expose the bone and hence carry out its treatment. Open fractures involve surgery and hence they are not treated in emergency ward like other fractures instead they are treated in an operating room through an incision. In open fractures the bone pierces the skin and hence its realignment require treatment through operation only

Final answer:

Open reduction for a fracture requires surgical intervention to align the bone ends, in contrast to closed reduction which uses manual manipulation without surgery. It is necessary for more complex fractures, leading to the formation of a callus which facilitates the healing and remodeling of the bone.

Explanation:

Open reduction for a fracture uses surgical intervention to align the ends of the bone. Unlike closed reduction, which relies on manual manipulation of the bone without surgery, open reduction involves making an incision to directly access the broken bone and properly align it. This surgical procedure is particularly necessary for complicated fractures, such as those that are severely misaligned or where bone fragments need to be repositioned internally.

Common types of fractures include transverse, oblique, spiral, comminuted, and greenstick among others. After a bone is set, either through open reduction or closed, a healing process begins leading to the formation of a callus that knits the bone ends together. The body's natural bone cells, osteoclasts and osteoblasts, work to resorb dead bone and create new bone tissue within the callus until the healing is complete and the bone remodeled.

A clean environment is critical to human health around the world. Which statement best summarizes the air pollution situation in Mexico City?
A) All cars in Mexico run on ethanol, not gasoline.
B) Mexico City has some of the cleanest air in the world.
C) Students are learning about the negative effects of air pollution.
D) Only government officials can own cars.,

Answers

The answer to this question is "C." In Mexico City, is is important that students learn about the negative effects of pollution so they can work to prevent it.

Answer:

C

Explanation:

Students are learning about the negative effects of air pollution.

You are on the scene in the bad part of town for an unresponsive 18-year-old type 1 diabetic patient. his mother states that he is very noncompliant with his diabetes management and goes unresponsive often due to low blood sugar. after performing the primary assessment, you believe that this is the most likely cause of his unresponsiveness. however, after taking a capillary glucose reading you are surprised to see that the patient's sugar level is normal. how will you now determine the field impression?

Answers

The answer would be: Continue patient care by getting a complete SAMPLE history and perform a complete secondary assessment.

If the reading of glucose test is normal, then you can exclude hypoglycemia from the possible diagnosis. Because the patient is accompanied by his mother, you can ask a brief history to exclude other possible diagnosis and complete secondary assessment before further help comes. The information would be beneficial to the healthcare personnel that will comes for help.

Final answer:

In the case of an unresponsive type 1 diabetic patient with a normal blood sugar reading, one must consider differential diagnoses other than hypoglycemia. Tests like the insulin and glucagon tolerance tests help deduce the underlying cause of unresponsiveness. Monitoring blood glucose and maintaining strict dietary adherence are crucial in managing diabetes.

Explanation:

When an 18-year-old type 1 diabetic patient exhibits unresponsiveness and a capillary glucose reading reveals a normal sugar level, a differential diagnosis must be conducted to arrive at a correct field impression. This would include considering possibilities beyond hypoglycemia, such as hyperglycemia, ketoacidosis, or other medical conditions. Given the patient's history of noncompliance, it's crucial to consider if hormone resistance might be a factor, as is common in type 2 diabetes; however, type 1 diabetics are not usually hormone-resistant. It may also be necessary to conduct further tests, such as an insulin tolerance test or glucagon tolerance test, to understand the patient's specific diabetes complications, like defective insulin receptors or excessive insulin antagonists indicated by varying responses to hormone injections.

Methylphenidate is prescribed for a 6-year-old boy with the diagnosis of attention deficit–hyperactivity disorder (adhd). the nurse teaches the father about safe medication administration and concludes that the instructions have been understood when the father says that he should administer it at which time?

Answers

Methylphenidate is a cerebral stimulant that can interfere with sleep, it should therefore not be administered within 6 hours of bedtime. It may also cause nausea, anorexia (eating disorder), and dry mouth, which interfere with appetite and adequate food intake; therefore it should be administered after the child has taken breakfast. It should be taken exactly as prescribed by the nurse or specialists and not as a needed basis.

Which is the correct standard notation for 9.3 × 105?

Answers

Answer:

The standard notation of the given number is 930,000.

Explanation:

The normal way of writing numbers is called standard notation. For example: 2300, 70 and 128 etc.

The given number is

[tex]9.3\times 10^5[/tex]

It is the scientific notation of a number.

We need to find the standard notation of given number.

[tex]9.3\times 10^5=9.3\times 100000[/tex]

[tex]9.3\times 10^5=930000[/tex]

Therefore the standard notation is 930,000.

The correct standard notation for 9.3 ×10⁵is 930,000, which is obtained by moving the decimal point 5 places to the right in the coefficient 9.3.

The correct standard notation for 9.3× 10⁵ is to express the number in conventional form, which means moving the decimal point to the right 5 places, as the exponent on the 10 indicates. Therefore, 9.3  imes 10⁵ in standard notation is 930,000. The process involves understanding that each exponent on the base 10 represents the number of places to move the decimal point. In scientific notation, the coefficient 9.3 is multiplied by 10 raised to the power of 5, which results in shifting the decimal 5 places to the right, filling any empty positions with zeros. In this case, since the exponent is positive, we move the decimal to the right, turning 9.3 into 930,000.

Carbohydrate digestion begins in the _______________. select one:

a. mouth

b. stomach

c. small intestine

Answers

The correct answer is:  [A]:  "mouth" .
____________________________________________________
Final answer:

Digestion of carbohydrates begins in the mouth, due to the enzyme salivary amylase which starts breaking down complex carbohydrates into simple sugars while food is being chewed.

Explanation:

The digestion of carbohydrates begins in the mouth. This is due to the presence of an enzyme called salivary amylase that starts the process of breaking down complex carbohydrates into more simple sugars. As we chew our food, the mechanical action combines with the chemical action of salivary amylase, allowing the digestion process to begin. It is important to note that this initial process will only be able to continue if the food is in the mouth; once swallowed, the stomach's acidic environment deactivates salivary amylase.

Learn more about Carbohydrate Digestion here:

https://brainly.com/question/15927844

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In which process does the cell use a vesicle to move molecules out of the cell?

Answers

The process is called Exocytosis.

A special hint for ease:
EXO → Out
ENDO → In

Answer: Endocytosis

Explanation: Because it said so

After assessing a client, the nurse anticipates that the client has hyperpituitarism. which questions asked by the nurse helps confirm the diagnosis? select all that apply.

Answers

The answer would be
A) "Is there any change in your vision?"
B) "Do you experience severe headaches?"
E) "Is there any change in your menstrual cycle?

Pituitary located inside the skull near the optic nerve crossing, so it could cause headaches or visual symptoms. Increased hormone production will disrupt the menstrual cycle or even cause galactorrhea.
Frequent eating related to diabetes melitus. Hyperpituitary might need more food, but not increased frequency.

Plasma is the ________.
a. fibers in blood
b. matrix of blood
c. cell that phagocytizes bacteria
d. cell fragment found in the tissue 18. the type of muscle cell under voluntary control is the ________.
a. smooth muscle
b. skeletal muscle
c. cardiac muscle
d. visceral musc

Answers

plasma is fibers in blood and the type of muscle cell under the voluntary is skeletal muscle

The fourth reaction involving Gly-4 ( aldolase) is an especially important reaction in glycolysis. Why is this?

Answers

Glycolysis is the metabolic process of converting glucose into a pyruvate. It serves as a foundation for the two cellular respiration namely the aerobic and anaerobic respiration. It has four reactions namely, hexokinase, glucose-6 pshospahate isomerase, phosphofructokinase (PFK) and aldolase.

Aldolase or Glycolysis reaction 4 is significant because it splits the fructose1,6 biphosphonate into glyceraldehyde-3-phosphate (GAP) and dihydroxyacetone phosphate (DHAP).

Lesions that are a different color than the color of the skin are which type?

Answers

The answer is primary lesions. There are two types of lesions; primary and secondary. Primary lesions can be acquired from birth (birthmark) or over time probably from injury. Examples of primary lesions are macules, plaque, and papule. Secondary lesions are modifications of primary lesions. They include fissures, scales, and crust.






When an oncologist is teaching about how radiation induces genomic instability, which topic should the oncologist discuss?

Answers

He/she is talking about genetic disorders. Interesting topic. An oncologist is a cancer specialist so I don't know the specific cancer disorder but I'm sure there is one.
Final answer:

Ionizing radiation like gamma-rays and X-rays can cause DNA damage, resulting in mutations if the damage is not properly repaired. These mutations can disrupt cell replication and lead to cancer. Radiation therapy targets these mutations to preferentially kill cancer cells.

Explanation:How Radiation Induces Genomic Instability

Ionizing radiation, such as gamma-rays and X-rays, can cause serious damage to the DNA within cells. This type of radiation can penetrate deep into the body, and upon interaction with cellular DNA, it can cause the formation of hydroxyl radicals leading to single- and double-stranded breaks in DNA. These breaks can disrupt the genetic material and if not repaired correctly, can lead to mutations.

When DNA is damaged, the normal process of cellular replication can be altered. Damaged DNA can result in the improper replication of cells and may give rise to cancer cells which grow in an uncontrolled manner. This is because the mutations in the DNA can affect genes that regulate cell growth and division.

Radiation therapy exploits this cell-damaging property to treat cancer by preferentially targeting rapidly dividing cancer cells. However, the susceptibility of different tissue types varies, with some tissues recovering or repairing the radiation-induced damage more efficiently than others. Researchers study the effects of radiation on different organisms to understand the impact of dose and exposure length, which may help in developing better cancer treatment strategies.

People build a dam to create a reservoir that supplies water a nearby city needs. Describe two ways that water moves through Earth’s atmosphere in the water cycle

Answers

Transpiration, evaporation.
Hi I believe it is transpiration and evaporation

The animal phylum most like the protists that gave rise to the animal kingdom is _____. see concept 33.1 (page 688) view available hint(s) hint 1. consider which of these exhibits the least complexity and is the "basal group" of the animal kingdom. the animal phylum most like the protists that gave rise to the animal kingdom is _____. see concept 33.1 (page 688) ctenophora porifera cnidaria lycophyta echinodermata

Answers

The answer is Porifera. This is supported by the evidences such as the lack of true tissue in sponges and the close similarity between choanocytes and choanoflagellates. Phylum porifera majorly comprises of sponges which are simple invertebrates animals that live in aquatic habitats. Most of the sponges are marine, however, Some species may live in freshwater lakes and streams. 

Before cell reproduction or mitosis can proceed, what is the correct sequence of steps that must first occur?
a.chromosome replication, chromosome checking and repair, growth
b.growth of cytoplasm, duplication of cellular organelles, chromosome replication
c.replication of chromosomes, growth, duplication of cellular contents and organelles
d.growth, duplication of cell organelles, chromosome replication, repair of chromosomal errors

Answers

D.growth, duplication of cell organelles, chromosome replication, repair of chromosomal errors

Answer:

________________________________________________________________________________-

Explanation:

______

This type of graph represents _______ collected from the ________ of bird number

Answers

data;observation
You collect the data from your observations

the ocean and the atmosphere serve as long term stroage areas for carbon and other nutreints.What are these strorage areas called..?

A) Reservoirs
B)Fossil Fuels
C)Biostorages
D)Compounds

Answers

The correct answer is:  [A]:  "reservoirs" .
___________________________________________________________

Nitrogen-fixing bacteria are important because...

A. They turn nitrogen from the air into nitrogen compounds in the soil.
B. They are essential for plants being able to carry out photosynthesis.
C. They break up dead animals in the soil.
D. They release nitrogen from the soil into the atmosphere.

Answers

The answer is , A , hope this helped!

Describe the structure of the neuron and explain how its structure relates to the detection, generation, transmission and integration of signal information

Answers

A neuron has 3 basic parts; namely the dendrites, the cell body or the soma, and the axon. Axons are "coated" by a myelin sheath as an insulator to improve conduction velocity. 

The detection of neural impulses occurs at the dendrites which receive the impulses from another neuron. There will be generation of the message at the base of the axon called the axon hillock. Transmission will occur as the synaptic vesicles are stimulated to fuse with the terminal axon cell membrane where their contents are freed in the synapse. 

Integration happens in the brain where all responses are integrated into a sensory reaction or a motor response.

How does climate change affect the ocean ecosystem?

Climate change causes waves to be smaller in the Northern Hemisphere and larger in the Southern Hemisphere.
Climate change causes ocean currents to stop in the Northern Hemisphere and in the Southern Hemisphere.
Climate change increases temperatures in the ocean.
Climate change decreases temperatures in the ocean.

Answers

"Climate change increases temperatures in the ocean" is the answer.

Answer:

Climate change increases temperatures in the ocean.

Explanation:

The oceans are one of the important sources of heat accumulation on the planet. The change in the temperature affects the ecosystem of the ocean. The alteration in the temperature of the ocean affects the growth and development of most of the fish and aquatic life. Coral bleaching is one of the impacts because of the increase in the temperature of the water.

which of the following poses the greatest threat to fish populations in the galapagos islands?

Answers

Overfishing poses the greatest threats to the fish population in the Galapagos Islands. It is important that the fishing industry be as maintainable as possible. For fishing to be sustainable, fishermen should be able to catch enough fish to make a living from, but not to catch so many fish (commercial fishing) that the fish population is negatively affected. Catching too many fish is called overfishing. An example would be to fish for in demand endangered species which are in the protected area of the Galapagos Reserve.  Without scientific research, it can be hard for fishermen to know if they are overfishing in an area.

After a prolonged period in a regional hospital far from home to which the parents were unable to travel, an 18-month-old toddler becomes depressed, withdrawn, and apathetic. eventually the toddler begins playing with toys and relating to others, even strangers. when the parents visit, the child ignores them. the parents tell the nurse that their child has forgotten them. how does the nurse explain the child's behavior

Answers

The child has developed within the third stage of separation anxiety, which is accompanied with detachment or denial. Basically there is a termination to parents loss and a partial appearance of environmental adjustment An 18 month old child do not forget their parents. Resignation depicts the child's behavior, not absorbing or even understanding the situation. 

The options are:

1 The nurse suggests that they may be right and that their child will have to get to know them again.

2 The behavior indicates approval of the staff and the child's understanding that they will not inflict bodily harm.

3 The behavior reflects acceptance of the hospitalization and that the experience will enhance their child's maturation.

4 This signifies typical behavior in toddlers who are separated from their parents for prolonged periods and that their child will need special attention from them.

Answer: Option 4

Explanation:

The child has reached the third stage of pain in which the toddler has reached the phase of separation and denial.

In this phase there is a resignation to the loss of parents and has a superficial adjustment to the environment  in which the child is living.

The child might just not understand the situation and living in the hospital by the help of the hospitalization provided by the healthcare workers.

A child of 18 months cannot forget his parents he is just not accepting and understanding the situation.

The nurse assures a breast-feeding mother that one way she will know that her infant is getting an adequate supply of breast milk is if the infant gains weight. what behavior does the infant exhibit if an adequate amount of milk is being ingested

Answers

Answer: 


Voids six or more times a day.

Which ions are more concentrated outside of the neuron?

Answers

cations, usually sodium (Na+)

A student divided some insect larvae into four equal groups, each having the same amount of food. Each group kept it at a different temperature, and the average length of the larvae was determined after each shedding of the exoskeleton( molt). What is one constant used in this experiment

Answers

One constant kept in this experiment is the amount of food available to the larvae.

Yeast has become important in genetic engineering because it

Answers

oq34i4thoqupw43hruq34hfuq324hrouqwhfauw

This is an observable trait of an organism that can mask the recessive trait.

Answers

This law states an organism has two different alleles for a trait and the allele that is expressed in the phenotype, masking the expression of the other allele,is said to be dominant. The allele whose expression is masked is said to be recessive.

Answer:

It is an Dominant Trait.

     I hope this helps you very much!

Explanation:

A harmful mutation can be caused by factors in the environment. True or False?

Answers

Final answer:

Environmental factors known as mutagens, which include radiation and chemicals, can indeed cause harmful mutations. These mutations can lead to diseases like cancer if the DNA damage they cause is not repaired.

Explanation:

True, a harmful mutation can indeed be caused by factors in the environment. These environmental factors are known as mutagens, which include various types of radiation (like X-rays, ultraviolet light, and nuclear radiation), chemicals (such as those inhaled by smoking), and infectious agents. While it's important to recognize that not all mutations arise from environmental exposure—some are spontaneous, occurring without external influence—mutagens can increase the mutation rate by damaging the DNA. If this damage is not properly repaired, it can lead to mutations that may be harmful, such as those that contribute to the development of cancer.

There are robust DNA repair mechanisms in place to correct such damage, but these are not always successful, leading to a mutation. An example of a harmful mutation is one that leads to the development of cancer, whereas a beneficial mutation might provide resistance to a particular disease. Notably, while induced mutations are often thought of in the context of negative outcomes like cancer, mutations in general, whether induced or spontaneous, are a fundamental part of the evolutionary process.

why are there seasons
A. earth revolves around the sun
B. earth rotates on its axis
C. earths axis titled
D.the moon revolves around earth

Answers

The stations are due to the inclination of the axis of rotation of the Earth with respect to the plane of its orbit with respect to the sun, which means that some regions receive different amounts of sunlight depending on the time of year.

The Earth rotates around its axis, this rotating movement is called rotation.

The Earth also revolves around the sun, this movement is called revolution.

The answer is: A. The earth revolves around the sun, B. The earth revolves around its axis.

Answer:

Earth's axis is tilted.

Explanation: I'm confident in my answer

Other Questions
The ____________ cells are found mostly in the proximal and distal regions of the stomach. Windsor co. incurs $1,050,000 of overhead costs each year in its three main departments, machining ($600,000), inspections ($300,000) and packing ($150,000). the machining department works 4,000 hours per year, there are 600 inspections per year, and the packing department packs 1,000 orders per year. information about windsor's two products is as follows: product x product y machining hours 1,000 3,000 inspections 100 500 orders packed 350 650 direct labor hours 1,700 1,800 if traditional costing based on direct labor hours is used, how much overhead is assigned to product x this year? The house of representatives is subject to _________, which is the redrawing of the boundaries of congressional districts in a state to make them approximately equal in population size you invest $2,000 in a stock plan and another $2,000 in a savings account the stock plan decreases 7% the first year and gains 10% the second-year the savings account earns 3.7 APR and compounds annually what's the difference in earnings between the stock and savings account in the end of the second year which protist is the most widely known form of making plankton and is thought to have given rise to plants? The Scream, painted by Edward Munch, has become a clich because it A. no longer evokes any emotional resonance. B. has been shown in so many art galleries. C. has been trivialized in ads and cartoons. D. represents the violence of the modern world. Which of the following descriptions BEST shows how a mirror relates to Estelle's character in No Exit? Estelle trusts her reflection in a mirror is the truth, but is afraid her reflection in Garcin's eyes will reveal who she really is. Sartre is using a mirror as a metaphor for the judgment given by "oneself." Inez is acting like a gullible lark, and Estelle is acting as her lark-mirror. Estelle is practicing "bad faith" by needing to physically see her reflection in a mirror as proof of her existence. A 9-year-old child presents to a school nurse with complaints of arm and leg pain. upon assessment, the nurse identifies numerous purple to yellow ecchymotic areas. when asked, the child says that the bruises are the result of "being in trouble at home." which action by the nurse is most appropriate? A=LW;for L. Solve for the indicated variable. Include all work in the answer. What is the software called that allows the user to create, access, and manage a database? question 8 options: a.dlp b.dbms c.oo model d.relational model? What does it mean to say that science is a systematic process? if a human egg recieves 2 copies of a chromosome and is fertilized, how many copies of the chromosme would there be in the resulting embryo Which answer shows a correct order to solve this story problem? Victor bought 3 sandwiches for $3.25 each, 3 bags of chips for $1.10 each, and a bottle of water for $1.99. He left the waiter a $2.25 tip. How much did Victor spend? A. Step 1: Add the price of a sandwich to the price of the bottle of water. Step 2: Multiply that total by 3. Step 3: Add the total price of 3 bags of chips to that total. Step 4: Add the tip to the final total for all the items. B. Step 1: Calculate the total price of the 3 sandwiches. Step 2: Calculate the total price of the 3 bags of chips. Step 3: Add $1.99 to total cost for the sandwiches and chips. Step 4: Add the tip to the final total for all the items. C. Step 1: Add the price of a sandwich and a bag of chips. Step 2: Add $1.99 to total for the sandwiches and chips. Step 3: Multiply that total by 3. Step 4: Add the tip to the final total for all the items. Which sentence from the passage is the best evidence that ben likes living in happy trails park? each family in happy trails park had created its own compact garden of eden with well-tended gardens, fire pits, barbecue grills, and outdoor furniture. a riot of red and white impatiens grew beneath the familiar, brightly painted happy trails park sign. he walked the familiar stone path toward his house on wheels and its small front garden. ben sighed with satisfaction as he finally reached his trailer and opened the front door? The orators are gathered together mainly for the purpose of? what was the main reason that britain entered the warbecause it was an ally of francebecause germany invaded neutral belgiumbecause it supported slavic nationalismbecause archduke fracas ferdinand was assassinated PLZ HELP ASAP IF YOU KNOW THE ANSWER!! Determine whether a triangle with the given side lengths is a right triangle angle: 15 cm, 17 cm and 19 cm Yes or No_________ Show your work to prove your answer: (need an answer asap please) Which pairs of coordinate adjectives best complete the sentences?Ellie was a cold (blank) girl.A. cold , freezingB. cheerful , mischievousHer brother, Jon, on the other hand was a (blank) boy.A. dull, uninterestingB. serious school. kyle bought 28 feet of wire at the handware store. the wire cost was $2.79per foot, including sales tax. if kyle paid with a $100 bill, how much change should he have received? Between March 2003 and April 2009, the United States' ongoing war against Iraq cost more than 4,000 American lives and approximately $650 billion. What do these facts indicate? A.The U.S. military is no longer capable of successfully completing major overseas operations. B.The Bush administration's predictions of a quick and relatively inexpensive victory were inaccurate. C.The Bush administration's military budget was designed to provide only enough troops to fight a limited war. D.The U.S. military encountered unexpected weapons of mass destruction and were defeated in major battles.