I believe that would be an open system.
Amino acids are known to be the building blocks of proteins. Amino acids are organic substances and organic substances contains carbon. Amino acids have an amine group and the carbonyl group (-OH) which contains nitrogen and oxygen respectively. Proteins can also be derived from other sources like meat. Proteins can perform different functions, being an antibody is one.
the answer is A changes in abiotic factors i know it is on plato that is hard bro its the post test.
Fermentation
Fermentation is the process of producing ATP
