Answer:
Explanation:
Nitrogen cycle consists of four main steps namely:
Nitrogen Fixation.
Ammonification/ Decay.
Nitrification.
De-nitrification.
Answer:
Explanation:
They are called Autotrophs
1,111,1V the human population has increased tremendously, and it's still growing today. That means very much vehicles around, the cost of living well also increase, where will everyone live. It's a little scary.
Answer:
Hi There! :P
Explanation:
A controlled experiment is simply an experiment in which all factors are held constant except for one: the independent variable. A common type of controlled experiment compares a control group against an experimental group. All variables are identical between the two groups except for the factor being tested.
<em>happy to help!</em>