Most silicate minerals form from ________
A) earthquakes
B) meteorite impacts
C) erosional processes
D) molten rock
Answer: D
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Both IDW and kriging use weights in estimating an unknown value. Describe the difference between the two interpolation methods in terms of how these weights are derived.
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All living things: a. destroy energy
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Susan is conducting an experiment to see if plants will grow better with application of fertilizer. She separates 50 plants into two groups of 25. One group receives a liquid fertilizer when watered every other day, and the other group receives only water on the same days. The plants are kept in a greenhouse with constant and equal amounts of sunlight, and a constant temperature. She measures the plants once a week for 12 weeks. At the end of 12 weeks, the plants with the fertilizer grew an average of 9 inches, and the ones that were not given the fertilizer grew an average of 5 inches.In the scenario described above, the plants that received fertilizer are the ________ group, and the plants that did not receive fertilizer are the ________ group.
A. controlled; non-treatment B. control; treatment C. treatment; exposed D. treatment; control