A pure substance is any substance on its own. For example, sand is impure for containing lots of different substances. However, diamonds are mostly pure for only containing one type of substance.
Whether a substance is pure or not doesn't relate to a substance's molecular structure, but different molecules in a substance. Water by itself is only H2O, therefore it still pure.
Water is not an element but a compound for containing different elements, however it still pure.
B. Norepinephrine regulates blood volume and pressure.
C. Cortisol causes the heart rate and blood pressure to rise.
D. Aldosterone helps control metabolism of carbohydrates, fats, and proteins.
im thinking a
b. Experimental group
c. Hypothesis
d. Variable
The factor of interest in an experiment is called the Variable.
In an experiment, the factor of interest is called the Variable. The variable is the specific aspect or condition that is being tested or manipulated in an experiment to determine its effect on the outcome.
For example, if you are experimenting to test how different amounts of fertilizer affect plant growth, the variable would be the amount of fertilizer applied. In this case, the amount of fertilizer is the factor of interest that is being studied.
Therefore, the correct answer is d. Variable.
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Answer:
monosaccharide and disaccharide
Explanation:
just did it
the answer is d. on ed2020