An exchange reaction consists of both synthesis and decomposition reactions.
Here’s a complex example: AB + CD → AC + BD.
Another example might be: AB + CD → AD + BC.
Answer:
The answer is B. Limiting factors can lower birth rates, increase death rates.
Answer:
A. animals do not make their own food.
Explanation:
Answer:
We need blood cholesterol because our body uses it to build your structure of cell membranes, make hormones like oestrogen, and testosterone, and to help your metabolism work well.