A sample of radium is usually a little warmer than its surroundings because
A. it efficiently absorbs and releases energy from sunlight.
B. it is radioactive.
C. it emits alpha and beta particles.
D. its atoms are continually being struck by alpha and beta particles.
Answer: D
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Which is the main complaint by private landowners who object to the Endangered Species Act (ESA)?
A. That it applies to their land as well. B. That it only applies to public lands. C. That it is not protective enough of their land. D. That it only applies to endangered species.
Thornbush and scrub forests tend to be found ____
a. on the subtropical margins of rainforests, where soils are especially poor in nutrients b. in the wettest regions of tropical rainforest climates c. in midlatitude desert climates d. at the poleward boundary of the taiga e. in marine west coast climates
In which direction do Andrew and Lester spin — clockwise or
counterclockwise? What will be an ideal response?
The 2009 Copenhagen Conference ________
A) failed to provide any help to developing nations for mitigation and adaptation efforts B) produced a multinational treaty to limit carbon emissions C) failed to produce a treaty because the United States failed to support it and China refused international monitoring for promised steep cuts D) was unable to pass any resolution because 20 developed nations refused to accept the scientific premises of global climate change E) created an international fund to promote climate research