Across
- 3. The fossil fuel that emits the most pollutants when combusted, causing acid precipitation
- 4. gas The "cleanest" fossil fuel, meaning the lowest emissions.
- 5. Provide benefits of electricity, flood control, and recreation
- 8. Organic matter such as wood, charcoal, manure
Down
- 1. Water is pumped underground to be heated by the magma from the earth's core
- 2. Also called petroleum; used to make gasoline, jet fuel, plastics, etc.
- 4. Fission splits radioactive atoms apart to produce energy
- 6. Photovoltaic panels harness energy from the photons or light from the sun
- 7. turbines Take up little space on the ground, so livestock can be grazed on the land as well making the land dual-purpose