If you placed your two hands together at the mid ocean ridge and moved them apart while moving the "new" crust outward, what could your hands be representing

What is the relationship between locations of earthquakes and plate tectonics? a. earthquakes frequently happen where landmasses are on the boundary between two plates. b.

The earth area of permanent human settlement is called the

Which ocean does most of the international date line pass through

What country did the united states purchase florida from

What was unusual about the 1986 volcano-related disaster near Lake Nyos in Cameroon? A. A volcanic eruption involved a lateral blast of volcaniclastic debris that no one anticipated. B.

What is the diameter of the earth

4. Stars on the upper left end of the main sequence differ from those on the lower right end in what way? A. Stars on the upper left end are less massive. B. Stars on the upper left end are more massive. C.

Immigration between 1870 and 1900 was on a drastic upswing because A. Technology was developing rapidly B. Factories were employing many people C. Travel to and around America was improved D. All of the above

Why can dna, rna, and proteins be used to compare only living organisms?

In savannas, the rainfall that occurs in the summer accounts for at least one-half of the annual rainfall.