What is thought to be the correct sequence of the following ...

[Sandstorm]

What is thought to be the correct sequence of the following events during the Carboniferous period?
1.    vascular plants become more prevalent
2.    megaphylls with large surface areas become more prevalent
3.    atmospheric CO2 levels decline by a factor of five
4.    global cooling occurs, leading to widespread glaciations
A) 1, 2 ,3, 4
B) 2, 1, 3, 4
C) 2, 1, 4, 3
D) 1, 2, 4, 3
E) 3, 4, 1, 2

[Hungry!]

Try A, I remember this on my test last week. I'm sure I got it right

[Sandstorm]

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