The correct answer is D.) The sun
The sun’s heat causes liquids to evaporate into water vapor, which rises and forms clouds. The whole water cycle repeats itself again because of the sun.
<span>The space-filling model of a hydrogen molecule would be something like OO , two circles stuck to each other, even squished a little bit. The model for carbon dioxide would be like OOO, with the two circles on the sides a little bigger and squished into the middle circle. </span>
Answer:
<h3><u>
Protons & Nucleons</u> are the 2 subatomic particles make up the nucleus of an atom.</h3>
Explanation:
I believe the answer is D.
They are thus known as the "supporting cells" of the nervous system. The four main functions of glial cells are: to surround neurons and hold them in place, to supply nutrients and oxygen to neurons, to insulate one neuron from another, and to destroy and remove the carcasses of dead neurons (clean up).
