The process of fracking involves
A) using underground explosives to break up gas-rich shale deposits.
B) processes that are under the regulation of the 2005 Safe Drinking Water Act.
C) using coal and petroleum as a chemical basis for producing natural gas.
D) using high-pressure fluids to fracture gas-rich shale deposits far underground.
D
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Sand is deposited on the ________ side of a dune
A) leeward B) wind C) blowout D) deflated
Urban agriculture is the practice of:
A. Cultivating, processing and distributing food in or around a town or city B. Developing transportation links from farms to cities C. Merging many small farms into several mega farms D. Developing large farms away from towns and cities
Thunderstorms are most likely to occur when the atmosphere is absolutely unstable
Indicate whether the statement is true or false
Which of the following is the reason that trypsin is synthesized as trypsinogen?
A) It is simpler to synthesize trypsinogen. B) Trypsinogen is a more active enzyme than trypsin. C) Trypsin would attack the body's natural proteins. D) Trypsin is a larger molecule than trypsinogen.