What is a rock? What will be an ideal response?


A rock is a naturally occurring aggregate of one or more minerals.

Environmental & Atmospheric Sciences

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Why is it difficult for tobacco farmers to convert to farming other crop types?

A) Tobacco is a labor intensive crop B) Tobacco farms are small C) Tobacco tends to make the soil unusable for other crops. D) Both A and B E) Both B and C

Environmental & Atmospheric Sciences

The atmosphere is mainly transparent to this form of ultraviolet radiation?

A. The atmosphere is equally transparent to UV-a, UV-b, and UV-c radiation. B. A - UV-a C. C - UV-c D. B - UV-b

Environmental & Atmospheric Sciences

Which of the following organisms primarily regulates its internal body temperature by external means?

a. Whale b. Bear c. Mouse d. Butterfly

Environmental & Atmospheric Sciences

Sketch and describe the three kinds of tectonic plate boundaries. What causes their differences?

What will be an ideal response?

Environmental & Atmospheric Sciences