Why are the white cliffs of Dover so white?

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asked Jul 4, 2018 in Home Work Help by Wolf3188 (220 points)
Why are the white cliffs of Dover so white?

1 Answer

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answered Jul 10, 2018 by Avarado (20,270 points)
The reason the White Cliffs of Dover are so white is because the White Cliffs of Dover are made from chalk which is a very finely grained pure limestone that is soft white.

Those layers of that soft white chalk built up over millions of years which were formed from the skeletal remains of minute planktonic green algae that lived floating in the upper levels of the ocean.

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