Answer:
gravitational force on it
Explanation:
I believe the answer is rooting
Rooting refers to the type of characteristic that automatically implanted in our brain ever since we brain. (such as how to cry, how to turn heads, how to sleep,etc) The infants would automatically turn their head toward source of stimuli in order to obtain nutrients that are necessary for their survival.
FDR's programs can get the U.S. out of the Great Depression.
