Which of the following does not cycle repeatedly through the Earth's ecosystems?
A. Matter
B. Carbon
C. Nitrogen
D. Energy
E. Water
Answer: D
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How does glaciation affect volcanism?
a. Volcanoes become less active during glacial times, because temperatures are cooler. b. Volcanoes become less active during glacial times, because they are covered with ice. c. Volcanism and glaciation have not been shown to have a causal relationship to each other. d. Volcanoes become more active as heat is trapped in Earth. e. Volcanoes become more active in order to end the glaciation
Which of the following would be considered a nonrenewable resource?
A) Timber B) Gold C) Sunlight D) Wind energy Read the following scenario, and answer the questions below. As an economist, you are asked to analyze the present versus future value of fossil fuel resources in a newly discovered oil field. You determine that the oil (which would take 1 year to extract) is estimated to be worth $10 million in today's market.
No two places on the Earth's surface experience exactly the same climatic conditions
Indicate whether the statement is true or false
Composite cones:
a. are part tephra, part caldera. b. may erupt in a pyroclastic flow. c. are composed entirely of tephra. d. are composed entirely of basalt. e. are the largest type of volcano.