Is it multiple choice? I believe it's brain, but I could be wrong.
Answer:
Cold
Explanation:
They can not survive in cold conditions
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.
To be effective, key choices must be Parallel.
A decomposer
They decompose it
