Answer:
The lunar phases gradually change over the period of a synodic month (about 29.53 days), as the orbital positions of the Moon around Earth and of Earth around the Sun shift. The Moon's rotation is tidally locked by Earth's gravity; therefore, most of the same lunar side always faces Earth.
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Answer:
they have inexpensive start- up costs.
Explanation:
Nuclear power plants are expensive to build but relatively cheap to run.  
 
        
             
        
        
        
Answer:
Infants require protein for growth, deposition of tissue, and fat-free mass.
In injuries, protein helps with recovery. 
Your body uses proteins to build and repair tissues.
Your body uses protein to make enzymes, hormones, and other body chemicals.
Protein is an important building block of bones, muscles, cartilage, skin, and blood.
Hope this helps!
 
        
             
        
        
        
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