Which of the following is released by volcanic activity into the atmosphere?

A. SO2
B. water vapor
C. NO2
D. CO


Answer: A

Environmental & Atmospheric Sciences

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Why are phytoplankton critical for marine life?

a. They are large contribution to marine food webs b. They generate massive amounts of atmospheric oxygen c. They are able to bind billions of tons of carbon into carbohydrates d. All of these choices

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Electricity generation through urban waste incineration is an example of ________ power generation

Fill in the blank(s) with correct word

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Human expansion can lead to altered marine ecosystems by ________.

A. conserving biodiversity B. surveying marine species C. reducing incidental bycatch D. introducing new species

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Volcanic eruptions have no effect on climate.

Answer the following statement true (T) or false (F)

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