Lo siento, este en ingles
Explanation:
Hydrogen and helium are found in all stars. Ninety percent of all atoms in the universe are hydrogen atoms and fusion reactions fuel stars, resulting in the formation of helium and higher atomic number elements. This is the case because of the Big Bang, when temperatures were so high that only energy could exist.
Since the earth's axis is tilted 23 ½ degrees<span>, then on this particular day, the sun's rays are striking the earth directly at a latitude approximately </span>23 ½ degrees<span> north of the equator (that is, the sun's rays are coming in at an angle of </span>90 degrees<span> here; this is the subsolar point).</span>
Answer: A is the correct answer
Explanation: a pull factor is something that attracts people, so moving somewhere because you found a great new school is a pull factor. The other answers are push factors
Answer:
look below
Explanation:
1. Europeans spread christianity to Rome, this was a problem because the Romans believed in many gods.
2. The middle ages began when different culture spread and some people wanted to stay traditional.