What is the process by which the layers of a glacier flow at different speeds without breaking?

a. pyroclastic flow

b. basal sliding

c. ogive sliding

d. plastic flow

An astronomer studying a distant cluster of galaxies finds that several of the galaxies are spiral shaped, with a nuclear region of moderate size and moderately wound arms. how should the astronomer classify these galaxies?

Granite and basalt are exposed at earth's surface in a hot, wet region. these two rocks are made up of contrasting minerals with different resistance to chemical weathering. which one of the two rocks would weather most rapidly?

This island is 64 degrees west 16 degrees north

Some farmers near an ocean must irrigate their soybean crops to harvest any successful growth. Desperate and without a source of fresh water, one of them decides to irrigate his field with seawater.

What is the relationship between the ozone layer and the atmosphere

What natural resource of Southeast Asia is used in making pencils?

Is coal non renewable

Select the correct answer. In what way does renewable energy differ from nonrenewable energy?

What are the main mineral and energy resources of south america?

what IS the threat of GMOs. One major food chain has stopped selling GMO-related foods and there have been some criticisms of this move. Are they really that dangerous? What does the data show?