How many people live within the danger zone of active volcanoes on Earth?
A. about 500,000
B. about 50,000
C. about 5,000,000
Answer: A
Environmental & Atmospheric Sciences
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The greatest concentration of UNESCO World Heritage sites is in
A) Europe. B) North America. C) Africa. D) Asia. E) South America.
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The Green Revolution in South Asia relied on traditional varieties of crops
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
What is cyclogenesis?
A. forces creating low pressure B. poleward deflection of winds C. formation of cyclones D. origination of frontal system E. position of the jet stream
Environmental & Atmospheric Sciences
Which of the following would not be found in an alpine glacial valley?
A) paternoster lakes B) hanging valleys C) waterfalls D) esker
Environmental & Atmospheric Sciences