PLEASE HELP!!! 1. Which is the term for a class of macromolecules made of long chains of amino acids?

nucleic acids

proteins

carbohydrates

lipids

2.Which option defines ATP?
a molecule used in energy transfers within the cell

a molecule that allows other molecules to enter and leave a cell

a molecule that copies genetic information within the cell

a molecule used to help chemical reactions progress in a cell

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

the answer is 100% density i've answered this question before and done the quiz myself.

answeramino acids;