A lesson from the Ducktown, Tennessee mining experience is that mineral exploitation can
A. significantly improve the health of local people.
B. actually enhance the biotic resources of a region.
C. produce great wealth but at great social and environmental cost.
D. be done in an environmentally sound way.
Answer: C
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Anaerobic respiration
A) occurs without oxygen and may produce methane gas or ethanol. B) is a type of photosynthesis that does not require carbon dioxide. C) typically results in major increases of biomass. D) produces oxygen, which is used to break down glucose and other plant sugars.
Dew is likely to form at the end of a clear, calm night
Indicate whether the statement is true or false
Minerals that are vital to defense and modern technology are ________
Fill in the blank(s) with correct word
What is true about tropical wet and tropical savanna climate types?
A. Tropical savanna is wetter. B. Tropical wet is warmer. C. Tropical wet is drier. D. Tropical savanna is drier. E. Both have similar rainfall levels.