- they release nitrogen in the air
- they make nitrogen chemicals which plants can use
- bacteria help to release chemicals from dead plants and animals
Answer:
the heart
Explanation:
the heart pumps blood through the body
A: Cotton :) your welcome
The answer is A. because mechanical weathering increases the surface that can be attacked by chemical weathering.
They are considered the most venomous spiders in North America but I don’t think they bite kills humans
