A biologist wants to know which fertilizer will result in the tallest pea plants. A chemist wants to know how much energy is required to change liquid water into water vapor. A geologist wants to know which type of soil is most permeable to water. A physicist wants to know what type of material reflects the most light.
Which of the following methods can best be used by all of these different scientists to answer their individual questions?
A.
taking a survey of their fellow researchers
B.
drawing a diagram as a model
C.
using popular magazines as reference materials
D.
performing a controlled experiment
Answers: 2
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Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?
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Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.
Answers: 1
A biologist wants to know which fertilizer will result in the tallest pea plants. A chemist wants to...
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