No manches wey eso es pasarse e la pinche lanza >:'c
The compound of an amino acid there are 20 in total some of amino acid include serine, lysine, leucine, proline, and valine. Hopes this helps!!!!
Answer:
Rivers carry water and nutrients to areas all around the earth. They play a very important part in the water cycle, acting as drainage channels for surface water. Rivers drain nearly 75% of the earth's land surface. Rivers provide excellent habitat and food for many of the earth's organisms.
Explanation: