Which of the following is considered a physical human health hazard?
A) malaria exposure
B) earthquake
C) cigarette smoking
D) pollutant
E) collisions
Answer: B
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Adding more carbon dioxide to the atmosphere causes the concentration of carbonates in the ocean to
A) increase. B) decrease. C) stay the same because of a negative feedback mechanism. D) stay the same because of a positive feedback mechanism.
The dry adiabatic rate (DAR) applies to a parcel of air that is saturated
Indicate whether the statement is true or false
Which of these is an example of an autotroph (producer)?
a. animals b. plants c. minerals d. nutrients e. omnivores
The low-latitude hot desert climates occur
A) along the midlatitude, west coasts of continents. B) in polar regions. C) only in midlatitude rainshadow positions. D) in the tropics and subtropics.