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"Which statement best describes an activity performed by a student investigating an abiotic factor using this setup?
(1)He records the temperature of the water.
(2)He feeds the fish 0.5 gram of fish food twice a day.
(3)He measures the growth of the plants with a metric ruler.
(4)He observes the snail scrape algae off the gravel."

Which statement best describes an activity performed by a student investigating an abiotic factor using this setup 1He records the temperature of the water 2He class=

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lr1265
If the tank is a small one and filled with freshwater, an activity performed by a student that is investigating an abiotic factor using the setup would be to record the temperature of the water.

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