The cell membrane and the associated transport proteins found in the membrane are responsible for regulating the movement of hundreds, if not thousands, of different types of molecules into and out of the cell.
Among the gases emitted when fossil fuels are burned, one of the most significant is carbon dioxide, a gas that traps heat in the earth's atmosphere. Over the last 150 years, burning fossil fuels has resulted in more than a 25 percent increase in the amount of carbon dioxide in our atmosphere.
Fossil fuels ,when burnt, release harmful products into the atmosphere (like sulfur dioxide which causes acid rain). Water pollution is a problem such as with oil spills. Fossil fuels are finite which we are begining to understand with the cost of petroleum.ating Newest Oldest. Best Answer: By themselves, and when used (burned) in limited quantities, they are not bad. But as consumption increases, they can get very bad. There are many chemicals in the burning of fossil fuels ... but to make it simple, just follow the carbon (C) and oxygen (O) atoms.