Which of the following explains the blue colour of the sky?

A. transmission of visible light through the ozone layer in the Earth's stratosphere
B. filtering effect of water vapour in the Earth's atmosphere
C. selective scattering of visible light by air molecules
D. reflection of sunlight off the Earth's oceans


Answer: C

Environmental & Atmospheric Sciences

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

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Which of the following connects points of equal atmospheric pressure?

A) isohyets B) isobars C) isotherms D) isotachs

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Indicate whether the statement is true or false

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The people of the Caribbean islands

A. take pride in their common African heritage. B. all gained their independence from Spain or the United Kingdom. C. recognize Jamaican reggae as a unifying musical form. D. have a greater loyalty to their island nation than to a broader Caribbean identity.

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