On a stove we have two pots of boiling water. Pot 1 contains 1 liter of water and pot 2 contains 2 liters of water. Which of the following statements is true?
A) Pot 2 is hotter than pot 1.
B) Pot 2 has a larger heat content than pot 1.
C) both a and b
D) neither a nor b
B
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Our experience with herbicides and insecticides indicates that
A) both are capable of selecting for natural resistance by evolution. B) herbicides, but not insecticides, are capable of selecting for natural resistance by evolution. C) insecticides, but not herbicides, are capable of selecting for natural resistance by evolution. D) neither are capable of selecting for natural resistance by evolution.
Making a new soda (pop) can out of recycled aluminum requires ________% less energy than making it out of bauxite (raw aluminum ore)
A) 95 B) 80 C) 70 D) 50 E) 25
North Atlantic Deep Water (NADW) formation may be impacted by climate change because of ________.
A. decreased surface water density B. increased water column stability C. increased precipitation at higher latitudes D. All of these choices are correct. E. None of these choices is correct.
Which of the following is used to match continents or track positions of the continents in the past?
A. reconstructions of seafloor spreading B. magnetism stored in rocks C. reconstructions of seafloor spreading and rock types/structures only D. All of these. E. rock types and structures