They Grab Information to gain Hypothesis , Then test it to get the Scientifical Answer for the problem.
Hope this helps... If not, correct me...
The primary methods used to support scientific ideas and theories include observation, hypothesis formulation, experimentation, replication, and peer review. These steps build credibility and acceptance within the scientific community.
Explanation:In science, the critical methods used to support scientific ideas and theories primarily include observation, experimentation, replication, and peer review. Observation refers to the collection of data or evidence using one or more senses or technological tools. These observations lead to the formulation of hypotheses, which are often simple and testable projections based on gathered evidence.
Experimentation then involves creating controlled scenarios to test these hypothesized relationships on a smaller, more manageable scale. If an experiment supports the hypothesis, it becomes a theory.
Replication verifies the validity of an experiment by repeating it under the same conditions to see if the same results will be achieved. Peer review, on the other hand, serves as a system of evaluation where other scientists in the same field critically review the study to ensure it maintains scientific standards. This thorough, multi-step process, strengthens the credibility of scientific ideas and theories for eventual acceptance in the scientific community.
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Order cyanocobalamin 1 mg/wk im. available: cyanocobalamin 1000 mcg/ml. dose to be given: ________
the answer is 1 dose
To determine the dose of cyanocobalamin to be given, we need to convert milligrams (mg) to micrograms (mcg) since the available concentration is in micrograms per milliliter (mcg/ml). The dose to be given would be 1000 mcg/week, or 1 ml/week of the available cyanocobalamin solution.
Explanation:The available concentration of cyanocobalamin is 1000 mcg/ml. To determine the dose to be given, we need to convert milligrams (mg) to micrograms (mcg) since the available concentration is in micrograms per milliliter (mcg/ml).
To convert milligrams to micrograms, we multiply by 1000. So, 1 mg is equal to 1000 mcg. This means that the dose to be given would be 1000 mcg/week, or 1 ml/week of the available cyanocobalamin solution.
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Julian designs an experiment to see how well different liquids lubricate wooden surfaces. He sets up a number of identical wooden ramps and prepares to slide identical wooden blocks down them. He will time how long it takes each block to reach the end of the ramp. He covers one ramp with water, the second with motor oil, and the third with corn syrup.
What can Julian use as a control group for the experiment?
A.
a ramp with no liquid on it
B.
a second set of ramps covered with water, oil, and syrup respectively
C.
a ramp with no friction on its surface
D.
a block that drops straight down instead of sliding down a ramp
its A. A ramp with no liquid
Answer:
The answer is A. "A ramp with no liquid on it."
Explanation:
He needs a control group to make sure that he proof is valid.
some groups of expert farmers grew potatoes, tobacco, tomatoes, and other plants what is the simple subject
A: some group of expert farmers
B: groups
C: potatoes, tobacco, tomatoes, and other plants
D: plants
Plants would be correct...
The number of urban areas worldwide has been decreasing due to lack of resources.
True
False
False
Explanation:The number of urban areas are not decreasing due to lack of resources. But in present world number of urban areas are increasing exponentially because people are moving towards the big cities for the better health, education and job facilities.
Answer:
false
Explanation:
What factor makes cattle susceptible to fright?
A. innate aggression
B. mental incapacity
C. anxious temperament
D. poor spatial awareness
Answer:
poor spatial awareness is what i got correct
Explanation:
Which of the following is the correct term for the process by which nitrogen returns to the atmosphere? ammonification assimilation denitrification nitrification
The answer is Denitrification.
Denitrification is the reduction of nitrates back into the largely inert nitrogen gas (N2), completing the nitrogen cycle. This process is performed by bacterial species such as Pseudomonas and Clostridium in anaerobic conditions.
In the nitrogen cycle, denitrification by bacteria nitrates are converted to free nitrogen, which is released into the atmosphere, hence option c is correct.
What is the nitrogen cycle?Ammonia is transformed into nitrates and nitrites, which are subsequently acted upon by a different species of bacteria known as denitrifying bacteria.
Nitrates are transformed into free nitrogen and released back into the atmosphere via a process known as denitrification.
Organic nitrogenous substance from living things is converted into ammonium by ammonification. Nitrates are converted to nitrogen gas by bacteria through denitrification (N₂).
Nitrites are produced when microorganisms nitrify nitrates. By converting nitrogen gas (N₂) into organic molecules, bacteria fix nitrogen.
Therefore denitrification by bacteria nitrogen is released back into the atmosphere, hence option c is correct.
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Which of these is LEAST LIKELY to cause the extinction of organisms?
A) hunting animals for food
B) clearing land for agriculture
C) migrating from one region to another
D) new plant species competing with native plants
Final answer:
Migration is the least likely to cause extinction as it is a natural behavior, unlike overharvesting, habitat destruction, and competition with invasive species, which are significant drivers of biodiversity loss.
Explanation:
The option LEAST LIKELY to cause the extinction of organisms among the ones provided would be C) migrating from one region to another. This is because migration is a natural process that most organisms undertake in response to seasonal changes or to fulfill their lifecycle requirements. While individual organisms might face risks during migration, as a process it generally does not lead to species extinction.
In contrast, hunting animals for food (A), clearing land for agriculture (B), and new plant species competing with native plants (D) can contribute significantly to species endangerment and possible extinction. Overharvesting through hunting can deplete populations beyond recovery, habitat loss from land clearing can remove the home environment necessary for species survival, and invasive species can outcompete native species, leading to a decline in biodiversity. These factors are often interconnected with major causes of biodiversity loss, such as habitat loss, climate change, invasive species, and overharvesting.
Which of the following happens during cell division?
Question 13 options:
The cell's volume increases.
It becomes more difficult for the cell to get rid of wastes.
It becomes more difficult for the cell to get enough oxygen and nutrients.
Each daughter cell receives its own copy of the parent cell's DNA
Large bodies of water, such as lakes and oceans do not quickly fluctuate (change) in temperature. What is the reason for this phenomenon? Water is a versatile solvent due to its polarity Water doesn’t change temperature because is an acid. Water moderates temperature due to its high heat capacity Water acts as a buffer for concentration of chemical, which affect temperature.
C. Water moderates temperature due to its high heat capacity.
I need help with number 38 and 39 if anyone could help.
Answers
38. (b) be smaller in size, (The cell 0.5% salt placed in a hypertonic solution of 1.5% salt)
39. (a) cell A will swell more than cell B
Explanation
The process where water moves across a membrane is called osmosis. Salt solution triggers osmosis by attracting the water and making it to move towards it, across the membrane. If the concentration of the salt inside a cell is the same as that concentration outside the cell, the water level will stay the same and there will be no change in shapes of the cells because they are placed in an isotonic solution. A cell cannot loose or gain water when placed in an isotonic solution.
The movement of water in a cell occurs towards the highest solute concentration. If a cell is in a hypertonic solution (> 5% glucose) solution, the water will move from the lower concentration of solute to the region with the highest solute concentration to maintain equilibrium of osmotic pressure. Cell B that is placed in a 5% glucose will lose more water and its size will be smaller than that of cell A because it would have wilted more than cell A which was placed in a 2% glucose solution.
The correct option of 38 question is B which is be the smaller size.
Explanation:As the cell is suspended in salt solution which is hyper tonic as compared to cell.
And salt ions are also not allowed to enter the cell, so the consequence will be the movement of water from cell to salt solution to make cell equal to salt solution.
So the cell will shrink making cell of smaller size.
Part 2.The correct option of 39 question is option B which is cell B will swell more than cell A.
Explanation:Actually here swelling means the size of cells.At the end the size of cell B will be more than the size of cell A. Because the cell A is placed in less concentrated solution than the cell B. First glucose will diffuse to cell making cell hypotonic and after that water moves in cell by osmosis.Water always move from high concentration to low concentration.As in cell A low amount of glucose and water will move in cell than Cell B.Hence Cell b will swell more than A.Which factors caused the rapid decline or decrease of the Sierra Nevada yellow-legged frog population? Check all that apply. fish fungus pesticides UV radiation pollution
Answer:
A. Fish
B. Fungus
Explanation:
Just did it on edge
Fish and Fungi caused the rapid decline or decrease of the Sierra Nevada yellow-legged frog population. So the correct options are A and B.
What are environmental factors?A population is a measurement of the total number of people in a region, and it can take many different forms. They depict groupings of people that could be very big or very little in size, dispersed or close together, and composed of a wide range of people or people who are highly similar.
We may talk about the population of humans in Chicago, for instance, but we might also talk about the human worldwide population. Despite being two completely distinct groupings, both are populations! The distribution of a population is the region across which it exists, and the abundance of that population is the number of persons in that area.
However, all populations are prone to many environmental variables and factors that have an impact on how they develop and survive, regardless of their size, shape, or diversity.
Therefore the correct options are A and B.
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Need help 1-3
1. The mass of the container holding this table is 3G. What is the mass of the table salt?
2. What is the mass if the combined mass of the table salt and the container is 124g and the mass of the container is 9g?
3. A gram is equal to 1,000 milligrams. If a sample has a mass of 52 grams, what is its mass in milligrams?
9G IS IT AND THATS IT ALL GOT IT
Final answer:
The mass of the table salt is found by subtracting the mass of the container from the total mass. For example, 124g (total) - 9g (container) equals a salt mass of 115g. To convert grams to milligrams, multiply by 1000; hence 52 grams equals 52000 milligrams.
Explanation:
Understanding Mass Measurements
To answer the questions regarding mass measurements and conversions:
The mass of the table salt can be determined by subtracting the mass of the container from the total mass. If the total mass mentioned is 3G (assuming G stands for grams), but normally a container weight is provided along with the total weight, this value might be a typo. The correct calculation would be the total mass minus the container's mass.The mass of the table salt when the combined mass of the salt and container is 124g and the container alone is 9g can be found by subtracting the mass of the container from the total mass, which would be 124g - 9g = 115g.To convert grams to milligrams, multiply the mass in grams by 1000. Therefore, a sample with a mass of 52 grams would be 52 grams * 1000 mg/g = 52000 milligrams.Imagine that two test tubes are set up with 5 mls of starch in both and 500 amylase enzyme molecules added to one tube while 1,000 amylase enzyme molecules were added to the other. Would you expect them to finish digesting at the same time? If not, which one would complete the digestion first and why?
The test tube with 1,000 amylase enzyme molecules is expected to complete the digestion of starch faster.
Explanation:Digestion of starch starts in the mouth, where amylase breaks the starch chains into shorter pieces such as maltose. There are more amylase enzyme molecules in the test tube with 1,000 amylase molecules compared to the one with 500 amylase molecules. Therefore, you would expect the test tube with 1,000 amylase enzyme molecules to complete the digestion of starch faster than the other tube. This is because the higher concentration of amylase enzymes allows for more efficient and faster breakdown of starch molecules into sugars.
It is the _____ to show that the evidence presented by the forensic experts is not accurate and not properly processed.
crime scene investigator's job
defense lawyer's job
suspect's responsibility
witness's responsibility
Well its not Witness's responsibility or suspects responsibility.
I think is defense lawyer's job Because Criminal defense lawyers employed by the government are known as public defenders. A criminal defense lawyer researches, prepares and argues a case on the behalf of a client in order to defend them from the criminal charges.
Answer: crime scene investigator's job
Explanation:
A criminal defense lawyer is the either employed by the government or by the suspect or criminal on his behalf to fight the case against the prosecuting side. The role of the criminal defense lawyer is to research about the case and argue in the court of law with the prosecuting lawyer so as to defend the client from the criminal charges. In attempt to save the client the defense lawyer will try to make the available evidences against the client to be futile and unacceptable for conviction. Such a lawyer can convince the jury or judge that the given report by the forensic expert is incorrect and cannot be accepted as evidence against the client.
This product of glycolysis, ____ is degrades in the final stages of aerobic pathways
The answer to your question is,
pyruvate
-Mabel <3
Final answer:
The product of glycolysis degraded in aerobic pathways is pyruvate, which is converted into acetyl CoA and further oxidized in the Krebs cycle to produce ATP, NADH, and FADH2.
Explanation:
The product of glycolysis that is degraded in the final stages of aerobic pathways is pyruvate. In aerobic conditions, pyruvate enters the mitochondria to be fully oxidized. This multi-step process includes the conversion of pyruvate to acetyl CoA, which is subsequently utilized in the Krebs cycle for further energy production. The complete oxidation of glucose during aerobic respiration involves both substrate-level phosphorylation and oxidative phosphorylation, resulting in the formation of ATP, GTP, and the reduction of NAD+ and FAD to produce NADH and FADH₂, respectively. These reduced coenzymes are essential for the mitochondrial electron transport chain that ultimately generates a significant amount of ATP.
Parrotfish are herbivores that are found in coral reefs. To escape predation, a parrotfish will graze with a rabbitfish, which has venomous spines at the end of its pelvic fins. The rabbitfish does not benefit from this relationship. Which type of relationship do the parrotfish and the rabbitfish have in the coral reef AParasitism B Predation C Mutualism D Commensalismon
Commensal/commensalism is the correct answer.
By what process are these digestive enzymes excreted from pancreas cells?
Pancreatic juice is composed of two secretory products critical to proper digestion: digestive enzymes and bicarbonate. The enzymes are synthesized and secreted from the exocrine acinar cells, whereas bicarbonate is secreted from the epithelial cells lining small pancreatic ducts.
In an experiment, Dr. Travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. The amount of calcium is_______ variable. The risk of bone fractures_________ .
1. A reliable
an independent
a dependent
2.can be changed by the participants
can be changed by the researcher
could change with calcium
Osteoporosis refers to an ailment characterized by reduced bone mass and loss of bony tissue that may lead to weak and fragile bones. In an experiment, Dr. Travis tested the influences of the consumption of calcium on osteoporosis, the condition that results in enhanced chances of bone fractures.
In the given experiment, the amount of calcium is the independent variable, and the risk of bone fractures could get changed with the amount of calcium consumption.
The amount of calcium is independent variable.
Explanation:An independent variable is a variable in an experiment which is changed to see its effects on dependent variable.
In this experiment, to know about the causes of osteoporosis, the Ca level in blood or calcium intake in changed.
So the concentration of calcium will be independent variable.
Part 2.The risk of bone fractures is could be changed with calcium.
Explanation:In this experiment osteoporosis or risk of bone fracture is dependent variable.Dependent variable are results of experiment which can be changed by independent variable.As in experiment, Calcium concentration is independent variable.So the risk of osteoporosis depends can change with calcium.A gas can be squeezed into a smaller container, but a liquid cannot. What does this suggest about the arrangement of particles in liquids and gases?
Gas is compressible while liquid and solids are not. Gas particles are free to go wherever they please. The gas particles are not compacted together very tightly whereas solid particles are compacted very tightly. Liquid particles are not super compacted but they’re still not able to move as freely as gas particles. Hope that helps
Answer:
Use the particle model of matter to explain why you can compress a gas easily, but you cannot compress a liquid very easily. The particles in a gas have very large spaces between them, so the particles can be 'squashed' closer together, meaning the gas can easily be compressed to take up a smaller volume.
Explanation:
The skeletal part of the musculoskeletal system:
A. produces facial expressions.
B. helps the body to create heat.
C. protects the organs of the body.
D. eliminates wastes from the body.
Answer: C.
Explanation:protects the organs of the body.
bronchoconstriction is treated by inhaled
A. Histamine antagonists
B. Opiates
C. Pentobarbitals
D. Cholinergic antagonists
D. Cholinergic antagonists
Catergorize the particles according to weather they are found in the nucleus or the eclectic cloud
Nucleus: Protons and Neutrons
Electron Cloud: Electrons
ExplanationAn atom consists of three subatomic particles i.e Electrons, Protons and neutrons. Protons and neutrons are found inside of the nucleus of an atom whereas electrons are found in the orbits that surround the nucleus of an atom known as electron cloud. In the atom Protons contain positive charge to attract the electrons which contain negative charge and the neutrons contain no electrical charge.
nucleus-
positively charge particles
neutral particles
electron cloud-
negatively charged particles
just finished assignment hope this helps
what does it mean for molecuels to move down the gradient
" Up " or " against " a concentration gradient means from low concentration to high concentration. Moving in this direction requires some sort of en else.
If the mass of a material is 49 grams and the volume of the material is 9 cm^3, what would the density of the material be? I need the answer as well as the unit
The density is the quotient between the mass of a material and the volume occupied by it, The density can be expressed for a substance or for a mixture of substances. For example, water density in ambient conditions is equal to 1.00 g/cm3, which means that in 1 cm³ or 1 mL, there are 1.0 g of water. Therefore:
D = m / V
D = 49 g / 9 cm³
D = 5.444 g/cm³
Predict where the structural differences would occur between an-pep and other enzymes that do not digest the peptides.
AN-PEP enzyme refers to a dietary supplement, which has been shown to dissociate gluten in the stomach. It has been proven to help the individuals suffering from Gluten sensitivity or Celiac disease. The scientific name of the enzyme is Aspergillus Niger prolyl endoprotease.
However, certain structural differences would take place between AN-PEP, which prevent the enzyme from digesting the peptides. Some of the differences like amino acid differences would be expected in the active site, and in the regions, which influence the folded composition of the active site.
Marla dabs a small dot of red lipstick on 20-month-old lia’s nose. when put in front of a mirror, lia touches her nose, indicating the development of
Answer:
Leah is indicating the development of self-awareness.
Explanation:
In 1972 Beulah Amsterdam of the University of North Carolina published a study that toppled decades of research and kicked off self-awareness. The study procedure was simple: 88 babies aged 6 to 24 months were placed in front of a mirror, all of them had a small red spot on their noses. Then the mothers would point to the baby's reflection in the mirror and ask who the mirror was. The researchers watched the babies' behavior during the tests.
Only babies ages 20-24 could recognize themselves in the mirror. These babies pointed to the red spot on their own noses. This strongly suggests that they recognized the image as their own, became aware of self, so much so that they pointed to the roaring stain on their own noses.
Accordingly, we can see that when Lia touches the red spot on her nose she is demonstrating that developing self-awareness.
As part of an experiment, a student burns propane (C3H8) to produce carbon dioxide (CO2) and water (H2O). She remembers that she must follow the Law of Conservation of Matter when writing a balance chemical equation. Which of these equations adheres to the Law of Conservation of Matter?
A) C3H8 + O2 -> CO2 + H2O
B) C3H8 + O2 -> 3CO2 + H2O
C) C3H8 + 3O2 -> CO2 + 4H2O
D) C3H8 + 5O2 -> 3CO2 + 4H2O
The correct answer is: D) C3H8 + 5O2 -> 3CO2 + 4H2O
The law of conservation of mass (matter) states that the mass of the system must remain constant over time. So, the mass of the chemical components before the reaction must be equal to the mass of the components after the reaction, according to this law.
3 C,8 H, 10 O
the answer is D) C3H8 + 5O2 -> 3CO2 + 4H2O
The first accurate measurement of the size of Earth was made by _____.
The answer would be Eratosthenes
In 240 B.C., a soon to be famous Greek astronomer Eratosthenes made the first good measurement of the size of Earth.
Corpus delicti evidence at the Willow Lane crime scene is _____. the neighbors soiled trousers, evidently spattered with blood the scattered papers along the pathway through the hedge the bleeding victim exhibiting knife wounds in his back the 911 call reporting screams and a bleeding victim in the driveway
There are many ways in which organisms in which and ecosystem interact. two of these relationships are parasitism and predation, in what way is parasitism similar predation?
Parasitism is the relationship between two species where one organism (the parasite) benefits from another organism (by living in it and) causing harm to the host parasite.
While predation is an interaction between two organisms (predator and prey) where the predator eats a prey or a part of its body.
Considering these two relationships, we can say that both of them grow at the expense of the host or prey. Therefore, both of the predator and parasite are dependent on prey or host for their survival.
Parasitism and predation are similar in way that in both process only one partner gets benefited while other gets harm.
Explanation:Parasitism is a relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm.
The preying of one animal on others.
In both case second party always get harm.