Question | Answer |
A ________ is any material used to satisfy a need. | Resource |
Most energy resources used to generate electricity are ____________. | Nonrenewable |
Nonrenewable resources are... | Used faster than the Earth can replace them |
Fossil fuels are made of the... | Remains of dead plants and other organisms |
Fossil Fuels are formed over _________ of years | Millions |
The most prominent fossil fuels are ___, _______ ___, ____ | Oil, Natural Gas, Coal |
___ makes gasoline for cars | Oil |
_______ ___ heats homes. | Natural Gas |
____ generates electricity. | Coal |
____is the most abundant fossil fuel, a rock that contains at least 50% plant remains. | Coal |
Hydrocarbons can be extracted from coal to form liquid and gaseous _________ _____. | Synthetic Fuels |
Over millions of years, the buried remains of microscopic organisms form ___ and _______ ___. | Oil and Natural Gas |
___ is a thick black liquid hydrocarbon. | Oil |
_______ ___ is a gaseous hydrocarbon that often forms with ___, but above it, since _______ ___ is a lighter molecule. | Natural Gas...Oil...Natural Gas |
Americans obtain most of their energy from ___ and _______ ___ | Oil and Natural Gas |