A(n) ____________________ is a chemical used to control or kill populations of organisms that we consider undesirable such as insects, weeds, or rodents
Fill in the blanks with correct word
pesticide
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Choose the best answer for how geographers define overpopulation
A) a condition in which the number of people in an area exceeds the capacity of the environment B) crowded conditions C) a condition in which the number of people in an area exceeds the capacity of the environment to support life at a decent standard of living D) too many people in a given area E) a condition in which the number of families in an area outnumber the capacity of that area to provide adequate housing
Which water type is densest?
A. Cold, saline water B. Warm, saline water C. Warm, non-saline water D. Cold, non-saline water
Earthquakes in subduction zones generally only occur at depths of
A. up to 700 km. B. 700-1000 km. C. greater than 700 km.
Deep-ocean water contains more carbon dioxide than surface water because deep water is colder and has the ability to dissolve more gases. (T/F)
a. true b. false