Which of the following processes created the lunar maria?
A) Solar winds eroded wide, shallow basins, which were later filled with ejecta.
B) Large impact craters were then filled with basaltic lava flows.
C) Liquid water flowed across the landscape, which later froze.
D) Rocks exposed to the solar winds oxidized.
Answer: B
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Which of the following is an example of a special interest group?
A. Nongovernmental organizations B. Scientific research groups C. Politicians D. Government agencies E. Economists
Over the past 50 years, the total amount of waste generated by each person in the United States has nearly doubled, primarily because of increased affluence
Discuss three specific actions that an American citizen could take in order to promote a more environmentally sound waste management lifestyle.
Do connections between habitat patches actually increase their diversity? Evidence from current field research involving plants is determining that ________
A) yes, corridors connecting habitat patches do increase species diversity B) only if adequate fertilizers and pesticides are applied to the habitats C) no, corridors connecting habitat patches actually decrease diversity D) only if migrating animals and birds carry seeds between patches E) no, corridors connecting habitat patches have yet to make a difference
What factor most influences the distribution of vegetation around the world?
a. evaporation b. longitude c. climate d. seismic activity e. weather