Amino acid can be split into two groups. Name and Descibe the two groups

the 2 groups are essential acids and non essential acids. basically essential amino acids have to be made from what somebody eats (your diet). non essential amino acids are made in the body.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.