Chapter 15& 16 Flashcards
Renewable and no renewable energy
1
Q
Energy Concepts
* EROI:
A
Energy Returned on Investment-how much energy is gained vs. invested.
2
Q
Renewable Energy:
A
Solar, wind, hydro, geothermal, biomass (pros: sustainable;
cons: sometimes expensive).
3
Q
Nonrenewable Energy:
A
Fossil fuels (coal, oil, natural gas), nuclear (pros: high energy; cons: pollution, waste).
4
Q
Deepwater Horizon Spill (2010):
A
Massive oil spill, environmental disaster.
5
Q
Energy Usage in the U.S.:
A
Majority comes from fossil fuels.
6
Q
Hydrogen Fuel:
A
Clean but not widely avallable.