Explanation:
Lucille's cells need oxygen. In order for cells to properly function, they need to be oxidized. If Lucille's respiratory system is not working then her body cannot receive the oxygen that it needs in order to send to her blood cells. The circulatory system pumps Lucilles's blood around her body but if there is no oxygen, Lucille's cells/heart cannot properly function, this making it difficult for her to play soccer.
 
        
             
        
        
        
Answer:
The catalyst decreases the activation energy needed
 
        
             
        
        
        
Answer:
              The correct option is d (photosynthesis)
Reason:
              Photosynthesis and respiration falls in the category of bioenergetics and metabolism, because photosynthesis end product is glucose which is utilized in respiration to produce ATP.
        
             
        
        
        
North Atlantic current could possibly be an answer
        
             
        
        
        
The answer is; Carbon dioxide levels in the Earth’s atmosphere have been steadily increasing.
Data has shown a direct relationship between the increase in the levels of carbon dioxide in the atmosphere and rising global temperatures. The rise in the global temperatures can be observed through the melting of Arctic and Antarctic glaciers, the rise in ocean levels, and extreme weather events.