The two factors that combine to keep Earth and the moon in their orbits are

a. gravity and orbital speed.

b. orbital speed and mass.

c. mass and inertia.

d. gravity and inertia.

Name the river that forms a boundery between mexico and the united states

1. Which type of clouds can you always expect to signal fair weather: cirrus, stratus, or cumulus? 2. Which type of clouds can you always expect to bring precipitation: alto, nimbus, or cumulus? 3.

What is deterritorialization and reterritorialization

The people of the United States speak many different languages. According to the 2000 U. S. Census, approximately 82 percent of the population only spoke English, 11 percent only spoke Spanish, 7 percent only spoke other languages, including

7. Why might it be more accurate to calculate using only arable land?

Which of these is a renewable resource? a. coal b. cotton c. copper d. petroleum

What are the classifications for the six major land areas on earth?

Which of the following European countries is one of the top three leading exporters in the world? A) United Kingdom B) Germany C) Spain D) France

Fault lines are: the crust of the lithosphere that has fractured along plate boundaries and ridges the crust of the athenosphere that has fractured along plate boundaries and ridges the crust of the biosphere that has fractured along plate

Which US region historically has been dependent on the Entertainment, software and aerospace industries as a part of its economy?