The tiniest channels are called ____________________
Fill in the blank(s) with correct word
rills
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Bioprospectors are ____.
A. miners that cause the extinction of plants and animals B. people who search for plants and animals that scientists can use to make medicinal drugs C. plants that contain phytochemicals D. conservation biologists that promote ecotourism E. people who decide which species should be protected
Air, after being heated by conduction or radiation, ____
a. expands in volume and increases in density b. expands in volume and decreases in density c. decreases in volume and increases in density d. decreases in volume and decreases in density e. does not change in volume or density
Which of the following would most likely result from the deforestation of large areas of tropical rain forests caused by slash-and-burn agriculture?
A. Increased ozone thinning because of the release of CFCs
B. Decreased acid rain because of the sequestration of SO2
C. Increased global temperature because of the release of CO2
D. Deceased evaporation because of the loss of the tree canopy
Which region in the Earth would you find the rock basalt?
A. Asthenosphere B. Continental crust C. Core D. Oceanic crust E. Mantle