Answer:
Hi there, your answer to this is: It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.
Step-by-step explanation:
There are 9 essential amino acids that we need in our bodies which are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine which can be found in foods that we normally eat.
Hope this helped :)