What do carbon, oil, and gas have to do with carbon

Crude oil, coal, and natural gas supply about 85% of the energy used in the world. Fossil fuels are valuable as sources of energy because they contain hydrocarbons and other carbon-based materials. Hydrocarbons are any of a class of organic compounds composed only of carbon and  hydrogen

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

1.solid

2.carbon dioxide

3.helium