What causes the phases of the Moon? The moon's light and its rotation on its axis.
The moon's revolution and its projected light.
The reflected light of the sun and the moon's revolution around Earth.
The revolution of the Earth around the Sun.

Which of the following terms describe a liquid molecule that has only single bonds between its carbon atoms

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?