Answer:
Hi elmo!
Explanation:
ANd i think the answer is C!
hope this helps c:
 
        
             
        
        
        
Answer: They have streamlined bodies with poweful muscles
Explanation: them are some strong boys
 
        
             
        
        
        
A ecosystem productivity is a rate of generation of biomass.’’I know this because it states.”In economy productivity refers to the rate of generation of biomass in an economy.This shows that the economy its usually expressed in units of mass per unit.
        
             
        
        
        
Answer
c
Explanation:
because mechanical energy has approximately 2.65% chemical energy causing it to be able to constantly change.