Coastal flooding is not as deadly as earthquakes. Indicate whether the statement is true or false
F
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Explain how growing corn in the Midwest creates a ‘dead zone' in the Gulf of Mexico
What will be an ideal response
Ordinary hydrogen is sometimes called a perfect fuel because of its almost unlimited supply on Earth, and when it burns, harmless water is the product of the combustion. So why don't we abandon fission energy and fusion energy, not to mention fossil-fuel energy, and just use hydrogen?
A. The political, economic, and corporate pressures being exerted to oppose abandoning the other energy sources are the only obstacles to moving to the use of hydrogen as the nation's primary energy source. B. The conversion of current energy consuming vehicles and other machinery to hydrogen, although simple, is going to be very costly to the consumer and difficult to legislate. C. Hydrogen represents a viable solution for stored energy but not as a general energy source since obtaining the hydrogen from water requires more energy than is produced when you burn it. D. The oil companies have lobbied the federal government to continue fossil fuel usage because it would mean huge profit losses for all the major oil conglomerates.
What statement is true of the surface area of oceanic ridges and their associated features?
A) They consist of slightly less area than that of all the land above sea level. B) They consist of more area than that of all land above sea level. C) These are almost always located in the mid-ocean. D) These areas are largely covered by sediments.
Which of the following is a reactant in a saponification reaction?
A) a strong acid B) a weak acid C) a strong base D) a weak base