Which element is the most abundant in the atmosphere?

O Sulfur

O Nitrogen

O Phosphorus

O Hydrogen

O Oxygen

What is it called when magma turns into a igneous rock under the crust?

An astronaut is a short distance away from her space station without a tether rope. she has a large wrench.

What force causes the tidal bulge on the side of the earth opposite of the moon?

Need an answer NOW! Which historical event is an example of a voluntary migratory flow? A) War in Syria B) Trail of Tears C) Zionism in Israel D) African slave trade

Explain why tsunamis can do far more harm than earthquakes?

Why do the North and South pole experience seasons differently than the rest of the planet? Why do they have periods of continuous daylight or continuous darkness?

According to the International Astronomical Union, which of the following is one of the criteria for an object to classified as a Planet? Select all that apply.

What physical features are the five largest cities in the u. S. Near?

Because of his failed economic plan, Mao Zedong later opened China up to foreign trade. True False

Your friend tells you that our orbit is so special that it is at just the right distance from the sun for us to be at the right temperature for life to flourish. He says that if we were even ten miles closer to the sun, we would burn up.