True or false? a rift valley forms where the land is splitting apart

How old do you have to be to fly on an airplane by yourself? Without an ID?

What process underneath the earth's crust do scientists think causes the movement of earth's plates?

Which city would most likely be an epicenter of an earthquake San Francisco California was Saint Paul Minnesota explain your answer

What threatened species is at the center of a complex environmental web in the Siberian region of the Russian Domain? A. Stellar's sea eagles B. seals C. brown bears D. Pacific salmon E. tigers

The Greek philosopher Democritus coined what word what does it mean

What are the most wide spread Paleozoic fossils?

Less developed nations are to extended families as more developed nations are to nuclear families. matrilineal families. families of procreation.

If star a has an apparent magnitude of - 6 and star b has an apparent magnitude of 5, which star is brighter in our sky?

What is one advantage of free trade?

Explain how the shading of the direct light of the sun causes a lunar eclipse.