Dynamic Planet B/C

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Re: Dynamic Planet B/C

Postby Unome » September 29th, 2014, 4:28 am

An atoll?
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Re: Dynamic Planet B/C

Postby PicturePerfect » October 4th, 2014, 12:06 pm

Nope. Try again :)
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Re: Dynamic Planet B/C

Postby Watergirl » October 4th, 2014, 1:09 pm

Barrier reef?
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Re: Dynamic Planet B/C

Postby John Richardsim » October 18th, 2014, 5:45 pm

Barrier reef?
Well, I just looked it up, and that is correct according to wikipedia. I'm just going to have to go ahead and say that you can post the next question.
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Re: Dynamic Planet B/C

Postby Watergirl » October 18th, 2014, 7:01 pm

Why is ozone depleting? Explain the effects of ozone depletion.
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Re: Dynamic Planet B/C

Postby bernard » October 18th, 2014, 7:36 pm

The use of chlorofluorocarbons (CFCs), found in aerosols and refrigerants, has been one of the main contributors to ozone depletion. When ultraviolet radiation is absorbed by ozone molecules, it creates free radicals which bond with molecules from CFCs, so the ozone is not reformed. Depletion of ozone results in more ultraviolet radiation reaching the Earth's surface.
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Re: Dynamic Planet B/C

Postby Watergirl » October 20th, 2014, 10:07 pm

Correct. Your turn (:
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Re: Dynamic Planet B/C

Postby bernard » October 22nd, 2014, 7:34 pm

Explain three pieces of evidence that support the theory of continental drift.
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Re: Dynamic Planet B/C

Postby azuritemalachite » October 22nd, 2014, 7:44 pm

1) Alfred Wegener saw how the continents looked like puzzle pieces and he put them together. 
2) He saw that habitats from different continents of the same species were across oceans so they must of swam or there was continental drift. 
3) There were tectonic plates proving that the continents are active and moving.
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Re: Dynamic Planet B/C

Postby bernard » October 22nd, 2014, 8:44 pm

Correct, your turn! Anyone interested in reading more about this topic can click here.
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