D. Proteins are composed of amino acids and determines all the structures and functions of the organism.
They are prokyartic cells
Battery acid is acidic in nature so its pH will be more.if we add a base its acidity level decreases and it becomes a poor acid. here water acts as a base to decrease the pH value and acidic nature of a acid substance that is battery acid.
Answer:
Humus
Explanation:
Also known as the uppermost layer of soil, that's for making soil more fertile due to its organic content.