Large arrays of wind mills, called ____________ ____________, are used for the extraction of wind power in areas
where winds tend to be steady. Fill in the blank(s) with the appropriate word(s).
wind farms
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Aphanitic, phaneritic, and porphyritic are textural terms that:a
refer to fine-grained, course-grained, and mixed-grained crystal sizes, respectively. b. refer to formation by slow cooling, fast cooling, and mixed cooling rates, respectively. c. are indicative of volcanic, plutonic, and mixed plutonic-volcanic origins, respectively. d. refer to fine-grained, course-grained, and mixed-grained crystal sizes, respectively, AND are indicative of volcanic, plutonic, and mixed plutonic-volcanic origins, respectively. e. all of these.
About one-third of the toxic metal, mercury (Hg), is released into the air from natural sources, such as rocks, soil, volcanoes, and the ocean. The remaining two-thirds come from human activities such as ____.
A. automobile exhaust B. airplane exhaust C. plastic recycling D. gold mining E. livestock farming
Cones of depression form when:
a. sinkholes coalesce. b. too much water is pumped from wells. c. aquifers are recharged. d. the climate is wetter than normal. e. springs dry up.
Give a brief overview of the terrestrial carbon cycle. Include the source of carbon that enters terrestrial ecosystems, how carbon moves through ecosystems, and how carbon ultimately leaves ecosystems
Explain how part of this cycle is believed to contribute to global climate change.