WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
5th Edition
ISBN: 9781319272531
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 17, Problem 2MC
Summary Introduction
Introduction:
The temperature reduces on moving from the equator towards the Poles, because the sun's rays are more concentrated at the equator, and they spread out as we move toward the Poles.
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The regions of the world closest to the equator are warmer than polar regions because... ?
Group of answer choices
a. tropical vegetation absorbs heat
b. the equator is closer to the sun than the poles
c. sunlight strikes the earth at a high angle at the equator
d. there are few mountains in the tropics
e. the atmosphere is less dense near the equator
Why is the average annual temperature in
wet tropical forests higher than in subtropical
deserts?
A. Because wet tropical forests are mostly
closer to the equator than subtropical deserts
B. Because temperatures in wet tropical forests
are consistently high, while those in deserts
often fluctuate between very hot and cold
C. Because high evapotranspiration tends to
cool the subtropical deserts
D. Because the forests are under descending
moist and warm air near the equator
O E. Both A. and B.
If there are many greenhouse gases, why is only carbon dioxide considered a cause of global warming?a. The other gases do not cause global warming.b. It isn’t. Scientists are concerned about other causes; for example, release of methane from melting permafrost could have significant effects on global warming.c. Other gases occur in such low quantities that they have little effect on the climate.d. Carbon dioxide is the only gas that absorbs long-wavelength infrared radiation.
Chapter 17 Solutions
WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
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