The diversity of deep-sea species rival tropical rain forest biodiversity. The deep-sea distribution pattern is patchy. Where would you find most of this deep-sea biodiversity?
a) oceanic trenches
b) coral reefs
c) deep-sea hydrothermal vents
d) oceanic ridges
e) all of the above
C
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The layered appearance of foliated metamorphic rocks is due to the
A. realignment of minerals so that they are perpendicular to compressive forces. B. mechanics of weathering minerals. C. laying down of minerals, layer upon layer. D. recrystallization of minerals.
Costa Rica's largest source of income is its $1 billion-a-year tourism industry, two-thirds of which is ____________________
Fill in the blanks with correct word
Low-energy coastlines are commonly found in areas along eastern edges of continents
Indicate whether the statement is true or false
Agenda 21 was an agreement by
A. 300 nations to limit trade in endangered species in 1985. B. 90 nations to enhance global biodiversity in 2000. C. seven nations to halt CFC production in 1987. D. 178 nations for comprehensive sustainable development in 1992.