Questions tagged [carbon]

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11 votes
7 answers

Is there any experiment to prove that CO2 with the atmosphere concentration can have greenhouse effect?

All gas molecules have the capability to absorb radiation energy. $\rm{CO}_2$ has much less capability to absorb radiation energy, comparing with water vapor. In Earth's atmosphere currently $\rm{CO}...
Charlie Jiang's user avatar
7 votes
3 answers

In an Earth-like planet with no history of carbon-based life forms, would there be limestone?

The extent of my understanding of limestone is about what Wikipedia says at the very top of the page: Limestone is a sedimentary rock, composed mainly of skeletal fragments of marine organisms such ...
TylerH's user avatar
  • 176
8 votes
4 answers

Why has CO2 decreased in the history of the Earth?

I noticed that the $\ce{CO2}$ is actually decreasing in the eon time. My guess is lush vegetation or forests began to grow which absorbed the $\ce{CO2}$ by photosynthesis? Would anyone give me any ...
Betty's user avatar
  • 271
5 votes
1 answer

How much of the petroleum ever formed has made it into reservoir rocks?

I am aware that it's a bit general a question, and petroleum geology (or petrology ;-)) has never been a field of interest to me. A superficial search using related keywords brings up only economic ...
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