One example is planting a tree
Here are some others
-recycling
-helping our environment in many other ways
Was this a question about stewardship relating to biology or just stewardship in general?
        
             
        
        
        
Answer:
d. Tryptophan would bind to the repressor
Explanation:
However,the repressor would not be able to bind to the operator and switch off transcription.The cell would still be making tryptophan even though it is being supplied by the medium in which it is growing.This is a waste of energy.
 
        
             
        
        
        
Answer:
is required to do something
 
        
             
        
        
        
Water vapour was lost through the stoma of the leaves during the process of transpiration as the leaves of the plant were exposed to the surroundings, causing the mass of pot g to decrease.