Most species identified to date are____.
A. insects
B. birds
C. mammals
D. reptiles
E. amphibians
Answer: A. insects
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The 2011 nuclear power accident in Japan
A. was a result of global warning B. increased the public confidence in nuclear power safety and regulation C. exposed several design flaws and a failure to develop worst-case scenarios D. will not lead to increased cancers due to the quick and efficient clean-up response E. is no longer leaking nuclear waste into the ocean
What is the IUPAC name of sec-butyl mercaptan?
A) 2-butanethiol B) 2-methyl-1-propanethiol C) 2-methyl-2-propanethiol D) none of these
Ridge push involves
A. gravity causing the plate to slide sideways to the topographically high ridge, pushing the plate into the rift between the two plates. B. gravity causing the plate to slide away from the topographically high ridge, pushing the plate outward. C. gravity causing the plate to slide toward the topographically high ridge, pulling the plate inward.
Which of the following processes is NOT part of the hydrologic cycle?
a) Water soaks into the soil to form groundwater. b) Water is locked up in ice in polar caps. c) Water flows from rivers to the oceans. d) Water is added to the oceans and atmosphere by volcanic activity. e) Water is evaporated from the oceans to form water vapor and clouds.