Answer:
4
Explanation:
Because all the living things need carbon to make protein,carbohydrates,lipids
10 is 4
11 is 3
15 is 3 (where it says 3 ok)
Fertilizers can make their way into water sources when it rains and when the fertilizer makes it into a lake, the harsh chemicals from the fertilizer will pollute the water.
A cancer causing gene is caused by a mutation in a gene.
Enzymes are large molecules that speed up the chemical reactions inside cells. Each type of enzyme does on specific job. Enzymes are a type of protein, and like all proteins<span>, they are made from long chains of different </span>amino acids<span>.</span>
