The law of action and reaction
Ozone is organic and inorganic it depends on reaction
Answer:
Cell
Explanation:
I'm not 100% what you mean by "building block", but because your subject is biology, I will assume that you mean a cell.
In general, a cell is considered the "building block" of life because everything that is alive is made up of cells.
Hope I helped :)
The answer is C: Sperm cell
You should always keep calm and try to think positive never put your self down never ever
