What has been the result for air quality from strict emission controls?
a) Strict emission controls have resulted in a dramatic improvement in air quality.
b) Strict emission controls are largely ignored thus air quality has dramatically
decreased.
c) Strict emission controls have led industrialists to be contrite and to stop
polluting.
d) The growth in use of automobiles/trucks has wiped out much of the gain from
emission controls.
d) The growth in use of automobiles/trucks has wiped out much of the gain from
emission controls.
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A form of symbiosis that benefits one species of the interaction while having no effect on the other species is known as
A) parasitism. B) commensalism. C) predation. D) mutualism.
Earth and the Moon gravitationally attract each other. Does the more massive Earth attract the Moon with a greater force, the same force, or less force than the Moon attracts Earth? What reasoning guides your answer?
What will be an ideal response?
The rock cycle and plate tectonics are related, because processes controlled by plate tectonics result in the formation of certain rock types in particular areas.
a. true b. false
This ocean is in the intermediate phase of a Wilson Cycle:a
Atlantic Ocean b. Pacific Ocean