Answer:
b and e
Explanation:
just did the work
The advances that improved water quality are:
Adding chlorine to water supplies
Checking public water for traces of disease.
Adding chlorine to water supplies:
Chlorination is a common and highly effective method to disinfect water and make it safe for consumption. Chlorine is added to water supplies to kill or inactivate harmful microorganisms, improving its safety and quality.
Checking public water for traces of disease:
Monitoring and testing public water supplies for the presence of harmful pathogens and contaminants are critical advancements. Regular testing helps identify potential issues, enabling appropriate actions to maintain water safety and quality.
Building more wells, creating wind farms to draw water, and bottling water in plastic bottles are not direct advances aimed at improving water quality:
Building more wells: While building more wells can provide increased access to water, it does not inherently improve water quality. The quality of the water from a well depends on various factors such as geological conditions, contamination risks, and treatment.
Bottling water in plastic bottles: Bottling water in plastic bottles primarily addresses water packaging and convenience rather than water quality itself. The quality of water in a bottle depends on the source and treatment before bottling.
For such a more question on water
https://brainly.com/question/18681949
#SPJ3
Q#5- How do you know when a test is positive
for glucose and starch?
You will know a test is positive for glucose and starch when Benedict's reagent will give a positive test result for glucose but not for starch.
Explanation:
Benedict's Test is used to test for simple carbohydrates. The Benedict's test identifies reducing sugars which have free ketone or aldehyde functional groups. Food scientists can test for starch in food using iodine solution. If starch is present, the iodine will turn dark blue. Testing for sugar can be performed with Benedict's solution. The Benedict's solution is added to the sample, and heated for five minutes. The test involves heating a solution of the sugar to be tested with Benedict's reagent and observing the colour change of blue to orange. Benedict's reagent will give a positive test result for glucose but not for starch.Benedict's solution can be used to test for the presence of glucose in urineMicheal took a swab of bacteria from a Petri dish and placed it on a glass slide. Then he treated the sample with a series of dyes. For which type of microscopes is the sample prepared?
Answer:
compound microscope/compound light microscope
they’re the same thing
if i can have brainliest that would be great
Answer:
A compound light microscope.
Explanation:
What is the allele frequency?
Answer:
Allele frequency is a measure of the relative frequency of an allele on a genetic locus in a population. Usually it is expressed as a proportion or a percentage. In population genetics, allele frequencies show the genetic diversity of a species population or equivalently the richness of its gene pool.
why do you think a significant portion of the U.S. population today still doubts evolution, despite all of the evidence?
According to the Linnaean classification system, if two organisms
belong to the same order, what must also hold true?
SELECT AN ANSWER
They must both belong to the same class.
They must both belong to the same family,
They must both belong to the same
kingdom and family.
They must both belong to the same genus
and class
Final answer:
In the Linnaean classification system, two organisms in the same order must also belong to the same class, as the hierarchy dictates that orders are nested within classes.
Explanation:
According to the Linnaean classification system, if two organisms belong to the same order, it must also hold true that they belong to the same class. The system organizes biological diversity into a hierarchy of categories with the kingdom being the most inclusive and species being the most exclusive. Within this hierarchy, similar species are grouped into a genus, similar genera into a family, families into orders, orders into classes, and so on up to the kingdom. If two organisms share the same order, they must also share the same class, as the order is a subset of the class.
The correct answer to the given question is that they must both belong to the same class, as classes contain orders, and therefore sharing an order implies being part of the same class in Linnaean taxonomy. To clarify further, the Linnaean system's hierarchy is as follows: Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species.
Identifying the Functions of the Structures of the Circulatory
System
Identify the function of the labeled structures.
A
B
C
D
connects arteries and veins
brings blood back to the heart
carries blood away from the heart
pushes blood into the arteries
Answer:
A: pushes blood into the arteries.
B: brings blood back to the heart.
C: carries blood away from the heart.
D: connects arteries and veins.
Explanation:
I just took that assignment! :)
All of the body's cells receive nutrition and oxygen through the cardiovascular system, which circulates blood.
What is Circulatory system?It is made up of the blood veins that run throughout the body and the heart. Blood is transported from the heart via the arteries and returned by the veins.
The blood vascular network resembles a tree: The "trunk" or major artery (aorta) forks into substantial arteries that lead to progressively smaller blood vessels. The capillary network, a system of teeny-tiny vessels, is where the smallest arteries terminate.
The human body has two interconnected blood circulation systems rather than just one: Organs, tissues, and cells get blood from the systemic circulation in order for them to receive oxygen and other essential nutrients.
Therefore, All of the body's cells receive nutrition and oxygen through the cardiovascular system, which circulates blood.
To learn more about Circulatory system, refer to the link:
https://brainly.com/question/29259710
#SPJ2
Pead this passage
(1) For them, this government has no just powers derived
from the consent of the governed 2 For them this
government is not a democracy, it is not a republic 3) it is
the most odious aristocracy ever established on the face
of the globe (4) An oligarchy of wealth, where the rich
gover the poor an oligarchy of learning where the
educated gover the ignorant...
-Susan B. Anthony Speech After Being Connected of
Voting
Which sentence most strongly uses pathos in this passage from Susan B
Anthony's Speech After Being Convicted of Voting?
O A Serience 2
O B. Sentence 1
O C.Sentence 4
O D Sentence 3
Answer:
The answer is D
Explanation:
Sentence 3
Sentence 3 is the sentence that most strongly uses pathos in this passage.
Explanation:The sentence that most strongly uses pathos in this passage from Susan B. Anthony's Speech After Being Convicted of Voting is Sentence 3.
Learn more about Use of pathos in Susan B. Anthony's speech here:https://brainly.com/question/3782697
#SPJ2
In the previous question, you were asked to describe West Nile virus, how it spreads, and who is at the
greatest risk of becoming ill from it. Here, you will check you answers.
Which of the following did you include in your response? Check all that apply.
West Nile virus is transmitted to humans and other animals by mosquito bites.
Mosquitos get the virus from infected birds.
Those who become seriously ill from West Nile virus are often people over the age of fifty
These people are also at greater risk of developing a more severe form of the infection
DONE
) Intro
Q0000000
2 of 6
Answer:B and D
Explanation:
Just took it
Answer:
A,C,D
These are the answers :)
How would you replace the numbers with the correct outcomes in the Punnett square below to show how to parent rose plants, each with one
dominant allele and one receive alle for blooming can broduce an offspring plant with the characteristics of the everblooming allele
Which of the following increases genetic variation within a population and causes change
Answer:
organisms migrating in and out of a population
random changes in genetic traits over time
organisms choosing mates randomly
mistakes that occur in an organisms dna
Oogenesis occurs in the -----
Spermatogenesis occurs in the ------?
Answer:
Oogenesis occurs in the outermost layers of the ovaries.
Spermatogenesis occurs in the seminiferous tubules of the male testes in a stepwise fashion.
Explanation:
Oogenesis and spermatogenesis are the process of formation of gametes in females and males respectively. Oogenesis takes place in ovaries in females and spermatogenesis takes place in testes in males.
What are gametes?Gametes are the cells involved in fertilization to which leads to the formation of offspring.
Gametes are formed through dividing germ cells. These cells undergo meiotic division to form gametes.
The gamete in females is ova formed in the ovaries through the process of oogenesis, whereas the sperm is the male gamete formed in testes through spermatogenesis.
Thus, oogenesis occurs in ovary and spermatogenesis occurs in testes.
For more details regarding gametes, visit:
https://brainly.com/question/2569962
#SPJ2
This is a graph of the mean, or average, number of beans eaten for every three days.
During Days 1–3, more red kidney beans were eaten.
During Days 4–6, more red kidney beans were eaten.
During Days 7–9, more red kidney beans were eaten.
Answer:
1-3:light
4-6:dark
7-9:light
Explanation:
Answer
1-3 light
4-6 dark
7-9 light
Explanation:
What is the momentum of a 3 kg bowling ball moving at 3 ms?
1 kg. mis
3 kg. m/s
6 kg•mis
9kg. mis
Explanation:
We know that momentum is the product of mass and velocity so
Mass (m) = 3 kg
velocity (v) = 3 m/s
Now
Momentum
= m * v
= 3 * 3
= 9 kg. m/s
Hope you understood and hope it helps:)
The momentum of a 3 kg bowling ball moving at 3 m/s is 9 kg·m/s. Momentum is calculated by multiplying mass and velocity.
The momentum of an object is calculated by multiplying its mass (m) by its velocity (v).
In this case, you have a 3 kg bowling ball moving at 3 m/s, and you want to find its momentum (p).
The formula for momentum is:
Momentum (p) = mass (m) × velocity (v)
Now, you can plug in the values:
p = 3 kg × 3 m/s = 9 kg·m/s
So, the momentum of the 3 kg bowling ball moving at 3 m/s is 9 kg·m/s. This means that the bowling ball has a momentum of 9 kilogram-meters per second, which is a unit of measurement for momentum.
For such a more question on velocity
https://brainly.com/question/26589212
#SPJ2
What mutation can happen to a red blood cell?
Answer:
Sickle cell anemia is a genetic disease with severe symptoms, including pain and anemia. The disease is caused by a mutated version of the gene that helps make hemoglobin — a protein that carries oxygen in red blood cells. People with two copies of the sickle cell gene have the disease.
Explanation:
Hope thia helps :)
Why is the American chestnut susceptible to fungus while the Asian chestnut is not, and how are scientists using this fact to help them create a solution to the problem?
The American chestnut tree is susceptible to the chestnut blight fungus while the Asian chestnut tree is not. Scientists are using backcross breeding to restore the American chestnut population by integrating the disease-resistant trait from the Asian trees. Fungus also cause serious infections in other species causing significant decline or extinction.
Explanation:The American chestnut tree is susceptible to a fungus called Cryphonectria parasitica, which causes chestnut blight. This disease is virtually absent in Asian chestnut trees, which have co-evolved with the fungus and developed a level of resistance. This resistance likely involves chemical defenses that are present in Asian species but lacking in the American species.
Scientists are leveraging this fact to help them restore the American chestnut population by using a process called backcross breeding. This involves crossing the resistant Asian chestnut with the susceptible American chestnut, and then continually crossing the offspring with American chestnuts to maintain the American chestnut characteristics while integrating the disease resistance trait from the Asian tree.
Fungi often interacts with other organisms, bearing mutualistic associations or causing serious infections. For example, fungal infections have caused significant decline in world's frog population and have killed millions of bats in the United States.
Learn more about Chestnut Blight here:https://brainly.com/question/31498705
#SPJ1
Scientists are leveraging the natural resistance of Asian chestnut species to Cryphonectria parasitica to develop blight-resistant American chestnut trees. This involves traditional breeding methods, genetic engineering, and restoration efforts to restore the once-dominant American chestnut tree in its native ecosystems.
The American chestnut (Castanea dentata) is susceptible to a fungal pathogen called Cryphonectria parasitica, which causes chestnut blight. This fungus entered North America in the early 20th century and devastated the American chestnut population. The Asian chestnut species, such as the Chinese chestnut (Castanea mollissima), have co-evolved with Cryphonectria parasitica and developed resistance mechanisms against it. Here’s how scientists are using this knowledge to address the problem:
1. Understanding Resistance Mechanisms: By studying the genetic and biochemical mechanisms that confer resistance in Asian chestnut species, scientists can identify genes and traits that make these species tolerant or resistant to chestnut blight.
2. Breeding Programs: Scientists are using traditional breeding techniques to cross American chestnut trees with resistant Asian chestnut species. The goal is to transfer genes for blight resistance from Asian chestnuts into American chestnuts while retaining the desirable traits of the American chestnut, such as its size and timber quality.
3. Genetic Engineering: Advances in biotechnology allow scientists to directly insert genes responsible for blight resistance into American chestnut trees. This approach, known as genetic engineering or genetic modification, can potentially expedite the development of blight-resistant varieties.
4. Citizen Science and Restoration Efforts: Collaborative efforts involving citizen scientists, conservation organizations, and academic institutions aim to reintroduce blight-resistant American chestnut trees into their native habitats. These efforts also involve monitoring and evaluating the ecological impact of reintroducing genetically engineered or hybrid American chestnuts.
What is the term used to describe an organism that is made up of many eukaryotic cells?
AnsweMonera, Protista, Fungi, Plantae, Animalia. An organism is made up of several eukaryotic cells and eats only dead organisms.r:
Explanation:
Please help ASAP , I don’t understand this at all
help me please! as soon as possible
The solar and other energy source will decease carbon and global warming is bad
Explanation:
What does a plant need to Carry out photosynthesis
Answer:
The answer is it needs four things to carry out photosynthesis chloroplast, light, water, and carbon dioxide.
The enzyme carbonic anhydrase is a protein that binds to two small molecules: water and carbon dioxide. By holding the two molecules in the proper position, the enzyme allows the two molecules to react to form a product, carbonic acid. The enzyme then releases the product and becomes available to catalyze the same reaction once again.
How does carbonic anhydrase change the reaction between carbon dioxide and water?
A. It increases the total energy released.
B. It alters the structure of the product.
C. It decreases the activation energy.
D. It decreases the total mass of the system.
i thinks its a because it increase the total amount use or is it something else try a
carbonic anhydrase change the reaction between carbon dioxide and water C. It decreases the activation energy Therefore , C. It decreases the activation energy is correct .
The enzyme's role in this reaction is fundamental to various physiological processes within living organisms, especially in maintaining pH balance and regulating respiration.
The enzyme achieves this by providing a catalytic environment that enhances the interaction between CO2 and H2O.
When CO2 and H2O molecules come into contact with the active site of the carbonic anhydrase enzyme, the enzyme orients them in a way that makes the reaction more favorable.
It holds them in a specific configuration that lowers the energy barrier for the reaction to occur, thus reducing the activation energy needed for the conversion of CO2 and H2O into carbonic acid.
The reduction of activation energy is the key to how carbonic anhydrase changes the reaction dynamics.
By decreasing the activation energy, the enzyme significantly speeds up the rate at which the reaction occurs.
This is essential for biological processes where the timely conversion of CO2 and H2O into carbonic acid is critical for maintaining homeostasis.
For such a more question on carbonic
https://brainly.com/question/9733478
#SPJ2
How do point mutations and frameshift mutations occur?
Answer:
They occur buy inheriting them.
Explanation:If your mom dad or any family member has a mutation or frameshift mutation they can pass it to off spring so the off spring can also have that mutation or frameshift mutation.
How do organisms grow and repair themselves? A. Cells only divide when tissue is damaged. B. Organisms store more food to become bigger. C. Each cell keeps growing bigger. D. Cells continually divide to make more cells.
Answer:
D.
Explanation:
Cells will start to undergo mitosis to replace the damaged cells. A growing plant needs multiplying cells so the plant can get bigger.
Answer:
D. cells continually divide to make more cells
Explanation:
I tried to explain, but for some reason brainly thought I had used an inappropriate word
What is the proper unit for gravitational energy
Answer:
joules
Explanation:
one of the basic units of energy.
What role do decomposers play in the carbon and nitrogen cycles?
• They recycle nutrients from dead organisms back into the environment
• They produce nutrients for the environment
• They gain energy from the sun
• They are predators that eat small prey to balance the food chain
Answer:
A
Explanation:
Decomposers play a significant role in the carbon and nitrogen cycles, recycling nutrients from dead organisms back into the environment. They transform carbon and nitrogen in deceased organisms, making these elements available for plants and other organisms.
Explanation:Decomposers, which include organisms like bacteria and fungi, break down dead organic matter into simpler inorganic substances, thereby releasing carbon and nitrogen back into the environment. In the carbon cycle, for example, decomposers transform the carbon present in dead organisms into carbon dioxide, which is then used by plants in photosynthesis. In the nitrogen cycle, decomposers convert the unused nitrogen in dead organisms and animal waste into nitrates which plants can absorb and use.
Learn more about Decomposers here:https://brainly.com/question/28896356
#SPJ6
There are six elements that make up most of the human body. Which of the
following is not one of these six elements?
-
A. H
B. Cu
C. N
D. C
Answer:
B. Cu
Explanation:
Copper is not one of the six elements
Jimmy is running laps during his physical education class. As he is running, he starts to breathe harder as
his body tries to get more oxygen. Which of the following best explains why Jimmy's oxygen requirement
increases?
A. His cells use oxygen as their primary source of energy.
B. His cells need oxygen to help break down sugars for energy.
C. His cells need oxygen to increase the levels of sugars in the blood.
D. His cells use oxygen to transport substances across their cell membranes.
Answer:
I think it is B
Explanation:
His cells need oxygen to help break down sugars for energy therefore, he starts to breathe harder.
Why do body need more oxygen during running?As the activity grows, working muscles need more and more energy, which calls for a growing quantity of oxygen. When we exercise, we breathe more to help eliminate the significant quantity of carbon dioxide (CO2) that the working muscles create.
Because of the increased cardiac output, which allows blood to flow to more alveoli (blood sacs) in the lungs, each heartbeat's enhanced force will result in a minor rise in blood pressure. More oxygen is absorbed into the blood when ventilation is increased.
Learn more about exercise, here:
https://brainly.com/question/1709358
#SPJ5
Solar, wind, and hydroelectric energy are examples of ________________ resources.
Answer: Renewable Resources
Explanation: The sun can be used by solar panels, wind can be used by windmills, and hydroelectric energy comes from water. All of these are renewable resources.
Explanation: renewable
Infiltration is generally greater than Run off where the land has a
1. Gentle slope and permeable soil
2. Gentle slope and impermeable bedrock
3. Steep slope and permeable soil
4 steep slope and impermeable bedrock
Final answer:
Option 1.) Infiltration is generally greater than Run off where the land has a gentle slope and permeable soil, while it is lesser where the land has a steep slope and impermeable bedrock.
Explanation:
Infiltration is generally greater than Run off where the land has a gentle slope and permeable soil. This means that when the land has a gentle slope, it allows water to seep into the ground more easily, rather than running off the surface. Permeable soil, which has larger spaces between particles, also allows water to infiltrate more easily. On the other hand, when the land has a steep slope and impermeable bedrock, water is more likely to run off rather than infiltrate into the ground.
How did the lab activities help you answer the lesson
question: How do environmental changes affect both
living and nonliving things in a watershed?
conclusions can you make based on your observations?
Environmental changes such as pollution can affect both living and nonliving things in a watershed by leading to their death which will impact the ecosystem in a negative manner.
What is Pollution?This is referred to as the introduction of contaminants into the natural environment that cause adverse changes.
Human activities is what leads to most of the changes in the environment, and an example is pollution, which can affect all the other parts of an ecosystem in a negative way due to the death which could occur thereby making it the correct choice.
Read more about Pollution here https://brainly.com/question/19621497
#SPJ1
Final answer:
Environmental changes can impact ecosystems, requiring hypotheses to be updated with new findings, especially regarding climate change and its associations with ecological variables.
Explanation:
Environmental changes can significantly impact ecosystems and the organisms within them. When investigating these changes, it is essential to establish a hypothesis, which is an initial assumption or prediction about the effects of such changes. As data is collected, it may support or refute the hypothesis, necessitating a revision to reflect the new findings. For instance, if the investigation shows a strong association between habitat size and population health, the original hypothesis may need to be adjusted to incorporate these observations. Furthermore, global climatic changes, researched using techniques such as analyzing marine core and terrestrial soil data, can provide insights into broad environmental trends. When considering climate change, conclusions drawn should be based on comprehensive and rigorous analysis of the data presented. This approach ensures the scientific integrity of the conclusions and helps avoid drawing premature or unsupported inferences about climate change and its impacts.
Question
Type your response in the box.
Galactosemia is an inherited genetic condition. Children with this condition cannot break down the sugar galactose,
which is part of lactose. Based on the pedigree chart, is this condition a dominant or a recessive disorder? Explain
your reasoning.
unaffected
carrier
father
unaffected
carrier
mother
unaffected wont be the victims. the carrier and the father would be best but the carrier and the mother then all of them will be unaffected if it is cured?