What are the elements of a macromolecule

The proteins, being made up a diverse set of amino acids, have, in addition to carbon, hydrogen, oxygen, and nitrogen, the elements sulfur and selenium. It is incredible the complex array of macromolecules that can be built starting with these simple elements.

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igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

the eggs of the insects should be the first thing collected at the scene.

false