Answer:
Drag or air resistance
Explanation:
The force of friction caused by a moving fluid is called drag.  When that fluid is air, it's also known as air resistance.
 
        
             
        
        
        
Answer:
A
Explanation:
The answer would be A because when feet push down on anything, the force will push down the skateboard
 
        
             
        
        
        
Answer:
d. velocity slows down and angle changes
Explanation:
 
        
             
        
        
        
Answer:
Enzymes help break down food that we consume. They are found in the stomach or small intestine.