Dynamic Planet B/C

[Unome]

I haven't studied much, so it's probably wrong... (Click to Show Hidden Text)

An atoll?

[PicturePerfect]

Nope. Try again

[Watergirl]

Barrier reef?

[John Richardsim]

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.

[Watergirl]

Why is ozone depleting? Explain the effects of ozone depletion.

[bernard]

Answer (Click to Show Hidden Text)

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.

[Watergirl]

Correct. Your turn (:

[bernard]

Explain three pieces of evidence that support the theory of continental drift.

[azuritemalachite]

Answer (Click to Show Hidden Text)

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.

[bernard]

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