Which of the following best matches the description?Condition in which warm air is sandwiched between two layers of cold air.
A. oxides of nitrogen
B. photochemical smog
C. primary air pollutants
D. thermal inversion
E. sulfur dioxide
F. radon
G. particulates
H. secondary air pollutants
I. acid deposition
J. ozone
K. greenhouse effect
Answer: D
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How is heat moved from the tropics to the poles? Be specific. How is most heat energy transported?
Which of the following best matches the description?Interacting groups of different species in a given area.
A. producer B. intraspecific competition C. limiting factor D. habitat E. trophic level F. community G. ectoparasite H. secondary consumer I. denitrifying bacteria J. biomass K. omnivore L. interspecific competition M. herbivore N. carbon cycle O. nitrogen-fixing bacteria P. nitrogen cycle
Natural selection refers to the survival of individuals that leads to a more successful population.
Answer the following statement true (T) or false (F)
Wintertime mP air masses are less common along the Atlantic coast of North America than along the Pacific coast mainly because the
a. ?water is colder along the Pacific coast. b. ?prevailing winds aloft are westerly. c. ?source region for mP air on the Atlantic coast is western Europe. d. ?water is warmer along the Atlantic coast. e. ?land is colder along the Atlantic coast.