It’s essential for the creation of DNA, cell membranes, and for bone formation in humans. It is also vital for food production.
The amount of energy that is transferred at each level of the food chain is about 10%. This is called the 10% rule (10 per cent rule).
Answer:
used in an experiment as a way to ensure that your experiment actually work
Explanation:
<span>A stimulus is the reaction of something in a given environment.</span>
