What is the process exemplified by the infilling of a pond over time resulting in a forest?
A. extinction
B. apex vegetation
C. pioneer community
D. plant succession
E. climax vegetation
D
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Carbon dioxide is an important influence on climate because ________
A) it passes incoming short wavelength solar radiation, but it absorbs some longer wavelength outgoing earth radiation B) it absorbs incoming long wavelength solar radiation, but it passes short wavelength outgoing earth radiation C) it absorbs incoming short wavelength solar radiation, but it passes some longer wavelength outgoing earth radiation D) it passes incoming long wavelength solar radiation, but it absorbs short wavelength outgoing earth radiation E) None of the above is correct.
Individual efforts to reduce the volume of the waste stream
A. Have some effects, but we need to target industries to reduce their waste stream instead B. Have enormous cumulative effects C. Are fairly useful because it demonstrates to corporations that we care D. Have little effect, but make people feel better E. Matter very little
most of the radiation incident upon the Earth falls within the ________ part of the spectrum.
a - x-ray b - radar c - long wave d - infrared e - short wave
Compared to wind-driven waves, tsunami waves have ____
a. ?shorter periods and higher wave speeds b. ?shorter periods and lower wave speeds c. ?longer periods and lower wave speeds d. ?generally similar periods and wave speeds e. ?longer periods and higher wave speeds