Answer:
Heat
Explanation:
In almost all the energy conversion process some of energy is lost in the form of heat.
 
        
             
        
        
        
Primary succession occurs in areas without life, while secondary succession occurs in places that were previously inhabitated.
Hope this helps!
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A population decrease in primary producers would affect the ecosystem negatively because everyone who ate the primary consumers would have a lack of food.
        
             
        
        
        
Answer:
C) esophagus - moves air from the nose into the lungs
Explanation:
The oesophagus is a muscular tube with a sphincter valve at each end. Its main function is to transport food and fluid, after being swallowed, from the mouth to the stomach.This is propelled from the pharynx into the oesophagus, and towards the stomach in a peristaltic waves. The peristalsis also pushes food along the alimentary canal
 
        
             
        
        
        
Answer:
because our body needs six main nutrients to function normally