A. cycles B. equilibrium C. change D. models E. scientific method
all these would be found in science.
Plants need nitrogen in order to grow. Nitrogen is abundant in the earth's atmosphere, but plants cannot use it in that particular form (nitrogen gas). Certain bacteria which reside on some plant roots are able to change atmospheric nitrogen into a form that plants can use (ammonia).
A dependent variable is a value that depends on another, so what relies on the other! :)
Explanation:
plant cell only
- nucleus
- cell wall
- chloroplast
- golgi apparatus
- cell membrane
- ribosome
both plant and animal cells
- nucleus
- cell membrane
- ribosome
- golgi apparatus
Answer:
maybe something like:
1. what caused their extinction primarily
2. why could they not survive through the situation they were in
3. how do we know what specific event occurred using only the resources we have today
Explanation:
I hope this gave you a bit of insight :))!