Change in temperature and air pressure. The primary cause of it is air pressure. Air will naturally flow from areas of high pressure to low pressure.
        
                    
             
        
        
        
Answer:
Strengthen the arms.
Explanation:
 If a person repeatedly lift 25 pounds of weight over the head for 1 minute and then rest for 1 minute, the outcome of this exercise is to strengthen the muscles of the arms. The lifting of weight with the help of arms, the muscles of the arms will get stronger and increase occurs in the width of the arms. This exercise done by bodybuilders to get their arms stronger as well as athlete for stronger arms and hand muscles so the outcome of lifting the weight will leads to the increase in the strength of the arms.
 
        
             
        
        
        
<span>The two stages of photosynthesis. Photosynthesistakes place in two stages: light-dependent reactions and the Calvin cycle (light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.
Hope this helps =)
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