If clay minerals in a sedimentary rock were buried at a depth where subsurface temperatures exceeded 200°C, which common metamorphic mineral would they become?
A) Quartz
B) Muscovite
C) Amphibole
D) Plagioclase
Answer: B
Environmental & Atmospheric Sciences
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Ecotourism _____.
A. is a reasonable option only in impoverished countries B. decreases biodiversity by causing increased speciation in environmentally sensitive areas C. increases biodiversity by providing income to areas that might otherwise be destroyed D. decreases biodiversity by selling souvenir organisms
Environmental & Atmospheric Sciences
Caldera eruptions are very common features of subduction zones
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Which one of the following is an ecosystem service?
A) global warming B) genetically modifying food C) erosion D) pollination of crop plants E) creation of pollution
Environmental & Atmospheric Sciences
What is the ratio of sea to land on Earth?
A) 61: 39 B) 71: 29 C) 81: 19 D) 51: 49
Environmental & Atmospheric Sciences