Why do geologists believe that part of the African continent will break off in the next 50 million years? A. It has active volcanoes B. It experiences severe earthquakes C. It is near a mid-ocean ridge B. It is part of a rift valley

Sodium + chlorine yields sodium chloride. Check out the model above. What information is provided by the model? A) Sodium chloride is a salt. B) Sodium chloride is a molecule. C) Sodium chloride is composed of atoms.

Which of the following rivers is the second-longest river in the world, stretches for more than 4,000 miles, and flows through Brazil? A. the Paraná River B. the Mississippi River C. the Nile River D. the Amazon River

Refineries turn what into many products which are then used to make things like DVDs crayons and plastics a. Bauxite b. Natural gas c. Petroleum d. iron

Can hubble's law be used to determine the distance of (a) α centauri and other stars relatively near the sun, (b) the center of our galaxy, (c) the large magellanic cloud, a satellite of our galaxy, and (d) a cluster of galaxies very far from the

What are the uses of mattock?

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.