Answer:
D
Explanation:
A robin building a nest is not learned or taught like the others. It is just instinctive for robins to build nests.
Answer:
Essential amino acids cannot be made by the body. As a result, they must come from food. The 9 essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
Explanation:
C because the moon has less mass than Earth the Gravitational Force is less and thus anything on the moon weighs less than on Earth
False
their legs were made form the spine of stingrays and they were used to ward of bad storms.