The primary cause of Earth's seasons is:

Changes in atmospheric thickness

Varying orbital speed

Inclination of Earth's rotational axis

Varying distance from the Sun

What is the approximate age of a star cluster where the brightest main sequence stars are g stars?

4. The difference between de facto segregation and de jure segregation is which of the following? A De facto segregation comes about as a result of racial differences de jure segregation comes about as a result of cultural differences.

Which statement about wind is not true? A. The trade winds blow steadily toward the Equator. B. Winds at about 30° North and South latitudes are heavy. C. Wind direction is affected by the earth's rotation. D. Winds around the Equator are light.

A capitalist country has which of the following economic systems?

How many earthquakes happen in yellowstone national park each year?

Hector surveyed 500 people and asked them how far they drive to work and whats the last digit of their phone number is. He used the results to make a scatter plot. A.

In your own words, describe how a primary wave moves.

Based on studies of planetary systems around other stars, which of the following statements are currently believed to be true about how common or rare it is for stars to have planets in orbit around them?

The less mass in a given volume of air, the a. more the air weighs. b. greater the air pressure. c. more dense the air. d. less dense the air.

Which is the most destructive kind of mass movement