Igneous rocks are classified on the basis of what two main characteristics?

What will be an ideal response?


texture and mineral composition

Environmental & Atmospheric Sciences

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The Navajo Sandstone, such as that exposed at Zion National Park in Utah, is evidence of a ________ environment during the Jurassic Period in the western United States

A) beach B) continental shelf C) lacustrine D) desert

Environmental & Atmospheric Sciences

P and S waves are both body waves.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

The laws enacted in 1573 that specifically outlined how colonial Spanish cities were to be constructed were called the

A) Bills of the Americas. B) Laws of the Indies. C) American Indian Laws. D) Colonial Center Laws. E) Laws of the Real Corona.

Environmental & Atmospheric Sciences

When the Kelvin wave hits the coast of South America

A. the thermocline is at a much more shallow level as warm water is concentrated at depth. B. the thermocline is at a much more shallow level as cold water is concentrated at depth. C. the thermocline is found much deeper as warm water is concentrated at depth. D. the thermocline is at a much more shallow level as cold water is concentrated at the surface.

Environmental & Atmospheric Sciences