During nitrogen fixation, bacteria breaks nitrogen gasses down into a usable form for plants.
Hiya,
The answer is Solar Energy.
Hope this helps!
Mitochondria! That is why it is called the powerhouse of the cell!
The answer is A.
A fish is biotic because it is alive; the creek is abiotic because it is not alive.
Both the bird and the berry are biotic because they are both alive.
