Excess surface water percolates through the zone of ________ to reach the water table and the zone of ________
A) aeration; saturation
B) hydration; infiltration
C) porosity; permeability
D) dehydration; hydration
E) infiltration; porosity
A
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The wind's speed generally increases with height above Earth's surface because
a. ?only the lowest layer of air rotates with Earth. b. ?air temperature normally decreases with height. c. ?wind instruments are not accurate at Earth's surface. d. ?friction with Earth's surface slows the air near the ground. e. ?air parcels expand and become less dense as they rise above the surface.
The advantage(s) of biotechnology is (are) that it
A) has improved environments through reduced use of agricultural chemicals. B) enabled the development of plants outside of their natural/most suitable habitats. C) provides small farmers with the means to sustain their livelihoods. D) isn't more susceptible to disease. E) both isn't more susceptible to disease and has improved environments through reduced use of agricultural chemicals.
The greenhouse effect refers to the warming of Earth's climate caused by increased plant respiration.
Answer the following statement true (T) or false (F)
A loss of plant biodiversity due to introduced invasive species will likely
A) increase the number of K-strategists. B) increase the biodiversity of herbivore species. C) decrease the amount of energy moving through the food chain. D) increase the number of endemic herbivores in the system.