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nikklg [1K]
3 years ago
6

We are pretending that I am testing to see if Vitamin C cures ashy skin. You must write out EVERY step of the study that I must

do, especially the actual experiment part. You must also list the "controlled variables", the "independent variable", and the "dependent variable
Biology
1 answer:
denpristay [2]3 years ago
4 0

Answer: Independent variable is the Vitamin C and the ashy skin is the dependent variable.

Explanation:

We can change or manipulate the independent variable of the reaction and such change can be observed on the dependent variable. The dependent variable yields the results of the experiment and changes in the dependent variable must be observed attentively to frame the results.

Here, vitamin C is the independent variable whose affect has to be observed on the ashy skin which is the dependent variable of the experiment. Steps of the experiment:

1. We can apply Vitamin C in a form of solution on the ashy skin.

2. Observe the changes on the skin directly and apply for 2-3 times in a day.

3. Observe the changes on the skin after a week.

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Which portion of the ventricular system is found within the diencephalon?
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<span>The ventricular system consists of four ventricles that are interconnected in the brain.
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The hypothalamus is the gland located within the floor of the this ventricle.

6 0
3 years ago
How much 3M NaOH (MW=40) can be made from 10.0mL of a 10M solution?
vaieri [72.5K]

Explanation:

The given data is as follows.

              M_{1} = 3 M,           V_{1} = ?

              M_{2} = 10 M,         V_{2} = 10.0 ml

Therefore, calculate the volume of given solution as follows.

              M_{1} \times V_{1} = M_{2} \times V_{2}

Now, putting the given values into the above formula as follows.

            M_{1} \times V_{1} = M_{2} \times V_{2}

            3 M \times V_{1} = 10 M \times 10.0 ml    

                   V_{1} = 33.3 ml

or,                             = 0.033 L        (as 1 ml = 0.001 L)

Since, molarity of NaOH is given as 3 M and its volume is calculated as 33.3 ml.

           Molarity = \frac{\text{mass of solute}}{\text{molar mass of solute}} \times \frac{1}{\text{volume in L}}

               3 M = \frac{mass}{40 g/mol \times 0.033 L}

              mass = 3.96 g

Therefore, we can conclude that mass of NaOH is 3.96 g.

8 0
3 years ago
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gregori [183]
Solids,  liquids. hope that helped
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3 years ago
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When planning a healthful diet using the USDA Eating Patterns, vegetarians should remember that: a. modifications are prohibited
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Answer:

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1) The Healthy U.S.-Style Pattern

2) the Healthy Vegetarian Pattern

3)  Healthy Mediterranean-Style Pattern

These guidelines also describe that legumes are an excellent food which shall be consumed by all vegetarians as they are an excellent source of proteins.

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