Answer:
c
Explanation:
A quantitative observation is an observation that can be measured or weighed. It's trying to find a number. Hope this helps.
Answer:
enzymes
Explanation:
Enzymes are a type of protein that speed up chemical reactions. They are known as "biological catalysts." For example, your stomach would not be able to break down food if it did not have special enzymes to speed up the rate of digestion.
The answer is Interphase.
Energy can neither be created nor destroyed.
Energy can only be changed from one form to another.