Answer:
2400 Joules
Explanation:
Work done = force × distance
work done= 600×4
Therefore, work done=2400joules
P.S: the SI unit for work done is JOULES
PLEASE MARK AS BRAINLIEST
 
        
             
        
        
        
C because oxygen was a byproduct of photosynthesis and proved to be EXTREMELY important in the atmosphere.
        
             
        
        
        
Answer:
d
Explanation:
bc theres a chance it could happen 
 
        
             
        
        
        
Each population of a species have different genes.