Answer:
mitochondria are to produce the energy currency of the cell, through respiration, and to regulate cellular metabolism. 
Explanation:
the role of mitochondrion is to generate the energy commodity of the cell, by respiration, and control of cell metabolism.Mitochondrial is the ATP synthesis site for the cell. The amount of mitochondria present in a cell is also a strong predictor of the cell 's rate of metabolic activity; cells that are very metabolically active, such as hepatocytes, may have more mitochondria.
hope this helped!
 
        
             
        
        
        
Answer:
D
Explanation:
Relative Age Determination. Superposition of rock units is a very simple and straightforward method of relative age determination. The principle states that in a sequence of undeformed sedimentary rocks the oldest beds are at the bottom and the youngest ones are at the top.
 
        
                    
             
        
        
        
Clouds form as a result of the condensation of water vapor in the atmosphere. They are made of tiny droplets of water. Clouds tend to form between 3pm and 6pm because this is when the region starts to loose or has completely lost the heat form the daily sun. Water vapor will condense once temperatures are low or are decreasing. 
        
             
        
        
        
Answer:
In simplest terms, water makes up about 71% of the Earth's surface, while the other 29% consists of continents and islands. 
Explanation:
 
        
                    
             
        
        
        
The object we would need to measure force 
is a spring scale