During the years of 1870-1900, most new immigrants to the United States came from:

A) Europe

B) Africa

C) Australia

D) South America

How do scientists know that some mountains were once at the bottom of an ocean?

Earth's climate is warming up because of factors like pollution. How much has the Earth's climate warmed over the last 100 years?

Describe the concept of quantitative data

How does energy from the sun affect the motion of molecules in a solid compared to molecules in a gas? Molecules in a solid move faster than in a gas. Molecules in a solid move slower than in a gas.

Why does the seafloor slope downward away from midocean ridges?

4. What is the most common element found in the composition of minerals?

How did the moon form?

Platinum can be found in which of the following formations

Which of the following statements about Southern South America is true? A. Uruguay has the lowest level of urbanization of any mainland Latin American country. B. Paraguay is the smallest country of the subregion. C.

What is the process to bring oil out of the ground?