What is the residence time of water vapor in the lower atmosphere?
a. 2 days
b. 5 days
c. 10 days
d. 20 days
ANS: C
Water vapor can make up as much as 4% of air's volume. Water is able to leave the atmosphere when
it condenses into precipitation. Information can be found in the section The Atmosphere Is Composed
Mainly of Nitrogen, Oxygen, and Water Vapor.
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Of the three sciences, physics, chemistry, and biology, the most complex is
A. biology, because it is based upon both the laws of chemistry and physics. B. physics, because it involves many mathematical equations. C. chemistry, because there are so many possible combinations of atoms. D. All three of these sciences are equally complex.
Which has stronger attractions among its submicroscopic particles: a solid at 25°C or a gas at 25°C?
A) The attractions among the submicroscopic particles of the solid must be stronger than the attractions among the particles of the gas. B) The submicroscopic particles of the gas are moving faster. This means that they have more energy, which means that the attractions among them must be stronger. C) The attractions among the submicroscopic particles of the solid are much stronger—so much stronger that they hold the particles of the solid absolutely still. D) The temperatures of these two materials are the same, which means that the attractions among their submicroscopic particles are also of the same strength.
Heat is mainly absorbed in the ''greenhouse effect" by which two gases?
a. oxygen and hydrogen b. water vapor and carbon dioxide c. ozone and nitrogen d. nitrogen and argon
The banded vegetation of higher mountains is called ________
What will be an ideal response?