What energy source does the plant utilize for photosynthesis?
a. wind c. gravity
b. water d. sun
D
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Unlike the ____ Act, the ____ Act and the ____ Act were both indirect taxes on trade goods arriving in American ports.
A. Townshend, Stamp, Sugar B. Stamp, Sugar, Townshend C. Stamp, Quartering, Townshend D. Declaratory, Stamp, Sugar E. Quartering, Stamp, Sugar
Someone claims that the number of hits on his website has a Poisson distribution with mean 20 per hour.Let X be the number of hits in five hours.
a. If the claim is true, what is P(X ? 95)? b. Based on the answer to part (a), if the claim is true, is 95 hits in a five-hour time period an unusually small number? c. If you observed 95 hits in a five-hour time period, would this be convincing evidence that the claim is false? Explain. d. If the claim is true, what is P(X ? 65)? e. Based on the answer to part (d), if the claim is true, is 65 hits in a five-hour time period an unusually small number? f. If you observed 65 hits in a five-hour time period, would this be convincing evidence that the claim is false? Explain.
Which of the following added to a soil would be likely to result in the greatest level of soil organic matter after several years of decomposition?
A) the compost produced by composting 5 Mg of plant leaf material B) the manure produced by feeding cattle 5 Mg carbon in plant residues C) 5 Mg of carbon in plant roots D) 5 Mg of carbon in plant tops
A hole in the tire tread can be patched with _______
A) A patch B) A plug C) Either A or B D) None of these