locks. They raise ships to the water level of the differeny body of water that will be entered.
The best answer to go with is b
The U.S economy produce 20% of the world's output
Are you referring to a picture? if not, stars range in size from neutron stars, which vary anywhere from 20 to 40 km in diameter
Answer:
Fossil Fuels aren't renewable
Explanation:
Air and water move in cycles, so they are renewable. Fossil fuels formed when prehistoric organisms died and were buried by layers of rock.