Which of the following fossils fuels is the "cleanest" for the environment in the sense that it is most likely to have the lowest sulfur content and the smallest volume of solid ash residue?
A) Natural gas
B) Anthracite coal
C) Heavy, asphalitic crude oil
D) Lignite
Answer: A
You might also like to view...
Earth's internal layers were discovered by studying
A. seismic waves. B. the Mohorovicic discontinuity. C. convection cells. D. Rayleigh and Love waves.
In the United States, dryline thunderstorms are most common in ____
A) the Rocky Mountains B) the desert southwest C) the Great Plains D) California
Impacts of global warming include all of the following except ________
A) rising sea levels B) more extreme weather C) shifting species ranges D) more human illness E) decrease in mortality because winter is warmer
You are in a ship in deep water offshore from a large island. There is a heavy swell from the northeast and the island is to the southwest of you when the ship capsizes. Based on the wave direction, what should you do?
A) Swim in a circle because that is what the waves are doing. B) Just float, the waves will drive you to shore since the waves are moving toward the island. C) Swim like crazy; the waves are going to carry you away from shore. D) Swim toward the island; the waves aren't going to take you anywhere.