since he memorized 15, he has only 10 left. so it should be 10/25
Answer:
it would be C, since an abiotic factor is a non-living thing that helps shape the ecosystem.
Explanation:
If you look at A it lists flowers, which are alive. If you look at B it lists bacteria, which is alive. C doesn't list anything thats alive. D lists insects, which are alive.
When water freezes(ice) it expands slightly
think ice cube tray, and why the amount of ice you get is more than the amount of water you put in<span />
This process is referred to as Ammonification, I believe, basically this allows Nitrogen to be in the appropriate form for plants to absorb it.
