Answer:
Not sure but for billions of years. I don't think anyone can tell you an exact answer because it wouldn't make sense.
Explanation:
if someone else answers please give me brainliest it would be appreciated! <3
 
        
             
        
        
        
Answer:
It would be the plant type
Explanation:
This is because you are measuring the growth of 2 different plants, so they can not be the same. all the other options ARE constants 
 
        
                    
             
        
        
        
The active transport of the sodium and potassium pump must work to maintain: A high concentration of sodium outside the cell and a high concentration of potassium inside the cytosol in order to maintain a resting membrane potential.
Active transport in cellular biology refers to the movement of molecules or ions across a cell membrane against the concentration gradient from a location of lower concentration to a region of higher concentration. Cellular energy is needed for active transport to achieve this movement.
The electrical potential differential across the plasma membrane of a cell during its non-excited condition is referred to as the resting membrane potential of the cell. The value of the electrical potential difference inside a cell compared to the extracellular environment is often used to indicate the difference across a cell membrane.
To learn more about Active transport click here,
brainly.com/question/12133248
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Photosynthesis 
the equation is- Carbon dioxide + water = oxygen + glucose