Sunspots numbers cycle roughly every ____________________ years
Fill in the blank(s) with correct word
eleven
11
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Source reduction is the preferred "last resort" for pollution prevention.
Answer the following statement true (T) or false (F)
Which of the following is true about buffering?
A. You can either dissolve the buffer zones or keep the buffer zones separate and you can have the options of creating a single ring or multiple rings. B. You have the options of creating a single ring or multiple rings. C. You can buffer with different buffer distances. D. All of these are correct. E. You can either dissolve the buffer zones or keep the buffer zones separate.
Which action least reflects an ecocentric worldview?
A. protecting the earth's biodiversity B. controlling human population growth C. creating better pollution treatment technologies D. increasing our dependence on renewable resources E. supporting a service-based economy
When waves continue into progressively shallower water all of the following occur except
A) wavelength decreases. B) crests become narrower than troughs. C) the forward wave velocity decreases. D) wave height decreases.