The atmospheric layer in which gases do not maintain a uniform composition is the ________.
a. stratosphere
b. heterosphere
c. troposphere
d. ionosphere
e. homosphere
b. heterosphere
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Why are seasonal changes less noticeable near the equator than at midlatitudes?
What will be an ideal response?
Wind erodes rock by
A. applying the force of air molecules to rock. B. grinding airborne sediments against rock and carrying away small fragments. C. applying water vapor molecules to rock. D. none of these
As seen by an observer on Earth, the Coriolis effect is an illusion; no deflection can actually be measured
A) false B) true, but only near the poles C) false, but only near the poles D) true
The shell model presented in this book is not very accurate. Why then is it presented?
A. The shell model is derived from classical physics, which is still the most widely accepted approach to understanding atomic theory. B. It reminds us that the study of matter relates to the solar system. C. Most instructors are not good enough artists to duplicate the complicated artwork of true model on the chalk board for explanation purposes. D. The shell model is simpler and easy to understand.