The nebular theory proposes the sun and planets formed from a rotating cloud of interstellar gases and dust called a ________.

A) solar nebula
B) planetesimal
C) protoplanet
D) celestial sphere


Answer: A) solar nebula

Environmental & Atmospheric Sciences

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The U.S contains ____ of the world's population but consumes ____ of the world's gasoline.

A. 4.4%; 43% B. 4.4%; 25% C. 25%; 10% D. 43%; 5% E. 85%; 2%

Environmental & Atmospheric Sciences

Which of the following is a biotic as opposed to an abiotic factor in an ecological system?

A. Local climate B. Physical and chemical properties of an environment C. Sunlight D. Decomposers

Environmental & Atmospheric Sciences

In the past, most Western ethics concerning the human relationship to the natural environment have been based on

A) the utility of the environment to humans. B) conserving natural ecosystems without alteration. C) the aesthetic value of natural systems. D) reverence and respect for the spiritual aspects of the natural world.

Environmental & Atmospheric Sciences

Chinook winds are a common phenomenon on the east side of the Appalachians

a. True b. False

Environmental & Atmospheric Sciences