Q: What simple machine consists of two connected rings or cylinders, one inside the other, which both turn in the same direction around a single center point? Read this paragraph and choose the correct option from the provided answers: A wheel and axle is a simple machine that consists of two connected rings or cylinders, one inside the other, which both turn in the same direction around a single center point. When force is applied to the inner axle, the ideal mechanical advantage is less than 1. When force is applied to the outer wheel, the ideal mechanical advantage is greater than 1. Choices: - pully - bloom and axle - spoke - wheel and axle A:
wheel and axle
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Q: In what energy industry process are fluids pumped through a borehole, creating fractures in the rock that contains the natural gas? Read this paragraph and choose the correct option from the provided answers: With fracking, fluids are pumped through a borehole. The fluids create fractures in the rock that contains the natural gas. Chemicals in the fluid prevent the fractures from closing. The natural gas can then be pumped to the surface. Choices: - grinding - oil wells - strip mining - fracking A:
fracking
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Q: The reaction of an alkyl halide with an inorganic hydroxide base at elevated temperature produces what? Read this paragraph and choose the correct option from the provided answers: The reaction of an alkyl halide with an inorganic hydroxide base at elevated temperature produces an alcohol. The molecular reaction to produce methanol from iodomethane and sodium hydroxide is shown below. Choices: - blood - methane - yeast - an alcohol A:
an alcohol
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Q: The egg shell membrane encloses the nucleus containing the genetic material and what? Read this paragraph and choose the correct option from the provided answers: The ostrich egg - unfertilized, of course. Yes, this egg, just like a human ovum, is just one cell. It is a gamete with a haploid number of chromosomes, formed through meiosis. The egg shell membrane encloses the nucleus containing the genetic material and the cytoplasm. Choices: - cerebellum - enamel - exoskeleton - cytoplasm A:
cytoplasm
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