The circle shown here has area πr2. If its radius is tripled in length its new area will be

A) 3πr2

B) 6πr2

C) 9πr2

D) 18πr2

Large-scale atmospheric phenomena caused by air that is constantly in motion is known as

What do you expect Bolivia to be more strongly affected by hurricane or by the el Niño

Compared with the number of people per square mile in the United States, the number of people per square mile in Texas is A. slightly less. B. far less. C. greater. D. the same.

Is louisiana is the only one of the 50 states whose legal system was not originally based on the english common law system?

Where would you expect to find tectonic plate boudaries in Latin America?

Why was John Paul Jones's victory important in the war?

When we speak of "characteristic" we're referring to

What observation about this mid-ocean ridge diagram below was used to support Wegener's hypothesis of continental drift? Magma is very close to the surface at the rift. Sediments become thicker with increasing distance from the rift.

What did the countries in the triangular trade do?

Which phrases/sentences are true for colors found on the color wheel?