Answer:
298.9 million years ago - 251.902  million years ago
Explanation:
It might be in the 2011 Earth Science Review Packet so maybe go check that out
 
        
                    
             
        
        
        
E. Molarity of vinegar
i hope u get this i tried to figure it out hopefully im right 
good luck!
        
             
        
        
        
Answer: option B and option C 
Explanation:
 
        
             
        
        
        
Answer:
A. 
Explanation:
While solar power does produce carbon dioxide emissions in the manufacturing processes required to produce panels and batteries, it does not produce CO2 while converting solar energy to electrical energy.
 
        
             
        
        
        
Answer:
A car stopped at the top of a hill
Explanation:
Potential energy is the energy that is stored in an object due to its position relative to some zero position. 
therefore, the answer is the first option
=> A car stopped at the top of a hill
hope this helps and is right :)