Except for the problems of sulfur, coal, like oil and natural gas is a very clean fuel, which is why it is popular for commercial uses.
Answer the following statement true (T) or false (F)
False
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Which nation in Central America has the highest percentage of Foreign Direct Investment (FDI) of its GNP?
A) Panama
B) El Salvador
C) Honduras
D) Costa Rica
E) Guatemala
Judge the following sentence according to the criteria given below: The IPAT equation of human
environmental impact is a quantitative expression BECAUSE no one can put exact numbers to P, A, and T. a. The assertion and the reason are both correct, and the reason is valid. b. The assertion and the reason are both correct, but the reason is invalid. c. The assertion is correct, but the reason is incorrect. d. The assertion is incorrect, but the reason is correct. e. Both the assertion and the reason are incorrect
Compared to solar generated electricity, hydroelectric systems
A) are advantageous because they produce significantly less greenhouse gas. B) are advantageous because they operate as well at night as during the day. C) do not last as long as most solar technologies. D) cannot produce as much electricity as solar technologies.
In tropical regions the surface temperature of the oceans is high but decreases rapidly with depth between 300 and 1000 meters because ________
A) rapidly upwelling cold currents occur in these regions B) tropical regions are areas of high rainfall and this rapidly lowers the temperature of seawater C) sunlight cannot penetrate much below the surface of the oceans D) cold water from the polar regions flows just below the surface E) volcanic activity on the seafloor is rare in the tropics