Answer:
The sun and the earth?
Explanation:
I'm pretty sure that's right, since earth orbits the sun.
When a bend in a river gets cut off...
It’s mass stays constant .weight changes depending on gravitational force
A protein is a polymer of amino acids.
When amino acids are joined by dehydration synthesis (a process that removes
water to form a chemical bond), they form peptide bonds. <span>There are three main components of an
amino acid, the amino group, the side chain, and the carboxylic acid group. </span>
