Geothermal energy generation ________.
A) is not practical almost anywhere on Earth
B) provides a tiny fraction of the United States' electrical energy
C) is not associated with environmental hazards
D) releases hydrogen sulfide gas
E) is practical almost anywhere on Earth
Question 2
Which of the following is a massive accumulation of calcium carbonate?
A) Granite
B) Tufa
C) Sinter
D) Travertine
E) Carbonic acid
