During nitrogen fixation, bacteria breaks nitrogen gasses down into a usable form for plants.
 
        
             
        
        
        
Answer:
A limiting factor is anything that constrains a population's size and slows or stops it from growing. Some examples of limiting factors are biotic, like food, mates, and competition with other organisms for resources.
Explanation:
 
        
             
        
        
        
Aminotes include synapsids and sauropsids as well as their ancestors, back to amphibians. 
 
        
             
        
        
        
ANSWER: The 6 Science Process Skills
Observing. This is the most basic skill in science. ...
Communicating. It is important to be able to share our experiences. ...
Classifying. After making observations it is important to notice similarities, differences, and group objects according to a purpose. ...
Inferring. ...
Measuring. ...
Predicting.
        
             
        
        
        
Answer:
its D.
Explanation:
Bacteria change nitrogen gas to useable compounds that can be absorbed by plants.   
Brainliest plz