Amino acids are the building blocks of which class of macro molecules Answers
1)protiens
2)lipids
3)carbohydrates
4)nucleotides

proteins

Explanation:

they can also form enzymes ( all enzymes are proteins)

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

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bioteacher101