Time : because the more mass the faster the speed because u know kinetic energy and height can affect potential
        
             
        
        
        
Sharp claws of eagle help in adaptation because it helps them hold on to their prey during flight. They also help to kill it.
        
             
        
        
        
Answer:
the answer is C) They increase the rate of the chemical reactions involved in digestion
Explanation:
The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily. Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin. Thus, digestion of food occurs within the mouth, even before food reaches the stomach.
 
        
             
        
        
        
Some causes could be the mother smoking, drinking, doing drugs etc. Or even simply her body doesn’t fully accept the baby growing inside her so it acts out against it. Sounds strange but it happens. Also if the mother is sick with Zika or another virus, it can harm the baby’s growth.