Answer:
B. Fossil fuels are nonrenewable and may cause pollution.
Explanation:
Fossil fuels are nonrenewable, meaning that they cannot be replenished sustainably. So, eventually, we will run out of them because they cannot be renewed.
Another disadvantage of fossil fuels is that they cause pollution. For example, the gasoline that is used by cars creates significant amounts of pollution every year. 
Pollution is created by cars, factories, homes, and everything else that uses fossil fuels.
So, the correct answer is B, fossil fuels are nonrenewable and may cause pollution
 
        
             
        
        
        
 Answer:
the action or process of precipitating a substance from a solution.
Explanation:
I hope this helps you!
 
        
                    
             
        
        
        
The cerebellum is the answer. 
        
             
        
        
        
Answer/Explanation:
Onions are stem modifications of bulbs. Onions grow during a cold weather, but forms bulbs when the weather is warm. Onions can either be grown using seeds or through their bulbs. That is why, the stem modification of onions are bulbs. Tuber is from potatoes, whereas corm is from crocuses and gladioli.
 
        
                    
             
        
        
        
"An example of mutualism in the rainforest is the pollination of the Durian tree by bats."