According to the World Bank, ________ has 16 of the 20 most air-polluted cities on earth

A) China
B) Brazil
C) Mexico
D) United Kingdom
E) the United States


Answer: A

Environmental & Atmospheric Sciences

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What will be an ideal response?

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At 10°C, which is more concentrated—a saturated solution of sodium nitrate, NaNO3, or a saturated solution of sodium chloride? (See figure shown above )

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When a shale metamorphoses into a slate why do some slates contain muscovite and some slates contain chlorite?

A) The chlorite slates form at different pressures than the muscovite slates. B) The chlorite slates have a different composition than the muscovite slates. C) The chlorite slates form at different temperatures than the muscovite slates. D) The chlorite slates form at different temperatures and pressures than the muscovite slates.

Environmental & Atmospheric Sciences