What are the two major types of volcanic eruptions?

a. active, dormant

c. quiet, explosive

b. extinct, silica

d. none of the above?

Why do you think it is so difficult for some people to accept the idea of continental drift?

The huge cracks in the earth and slumps that also happen are the result of what catastrophic event?

The brilliant plumage of what national bird of india is due to an optical interference phenomenon called the bragg reflection?

A scientist observes rock masses that have moved past each other in opposite horizontal directions. Which feature does the scientist observe?

Why is migration an important part of life on a savannah?

Is it possible for a mineral to have a prismatic habit without having any cleavage? why or why not? if yes, give an example

Which structure or landform could be a batholith? A. A limestone cavern, such as the popular Mammoth Cave in Kentucky C. A group of mountains, such as the coastal mountains of British Columbia

Vanessa has 3 yards of cotton. She needs 3/4 yard for each skirt she makes. How many skirts can she make?

What is the biggest problem facing the Chesapeake Bay and Puget Sound?

What aspects of Latin American culture have most been influenced by the European colonization of the past?