Answer:
The fossils of bones, teeth, and shells are called body fossils. 
Explanation:
 
        
             
        
        
        
Answer: it is the second one (squeezes together)
 
        
             
        
        
        
Answer:
16. a, research
Explanation:
you should form your hypothesis on research because based on what you researched is what will help you try predict the outcome of the experiment 
 
        
             
        
        
        
This is false. Carbon dioxide is taken in, and oxygen out. Oxygen is not converted to carbon dioxide. It is a waste of the chemical reaction taking place, just like carbon dioxide is a waste in the respiratory process for us.
I hope this helps!
~kaikers