Nacreous clouds are commonly described as ____________________ clouds.

Fill in the blank with correct word.


ANSWER: mother-of-pearl
mother of pearl?
polar stratospheric

Environmental & Atmospheric Sciences

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The impact of global warming on the water cycle is expected to produce

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Suppose the temperature at night is going to drop to -5°C, and a fairly stiff wind is predicted. Assuming that cost is not a factor, which of the following methods is probably the best way to protect an orchard against a hard freeze?

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Environmental & Atmospheric Sciences