What produces columnar jointing in lava flows? What will be an ideal response?


Contraction during cooling.

Environmental & Atmospheric Sciences

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What are the four basic forces in the universe?

a. gravity, electric, magnetic, and strong nuclear b. gravity, electromagnetic, strong nuclear, and atomic c. gravity, electromagnetic, strong nuclear, and weak nuclear d. gravity, electric, magnetic, and atomic e. gravity, electromagnetic, atomic, and nuclear

Environmental & Atmospheric Sciences

Due to the advent of humans orbiting in space, the usual definition of weight is extended beyond gravitation due to the

A. absence of gravity in free space. B. support force provided in rotating habitats. C. both of these D. none of the above

Environmental & Atmospheric Sciences

Describe the role played by the French and British in shaping the modern political map of Southwest Asia and North Africa. Provide specific examples of their lasting legacy

What will be an ideal response?

Environmental & Atmospheric Sciences

Contact metamorphic rocks

A. occur throughout hundreds of square miles. B. are usually foliated. C. are formed next to igneous intrusions. D. are formed along faults.

Environmental & Atmospheric Sciences