Biology

Biology, 27.08.2019 04:00, mattydoug4818

Ascientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. in this experiment the independent variable is ?

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Chemistry, 28.06.2019 15:30, tatirocks1870

Agroup of students is investigating how the addition of salt impacts the floatation of an egg in water. four identical cups were taken for the experiment. the data of the experiment are shown below: experimental record cup amount of water (ml) amount of salt (g) level of egg above water 1 450 0 sinks to bottom 2 450 68 2 cm 3 450 136 3 cm 4 450 272 4 cm what was the dependent variable in this experiment? density of water in the cup level of egg above water amount of water in the cup amount of salt added

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Chemistry, 29.07.2019 05:30, OinkFred

Janet learned in science class that the amount of salt that can dissolve in a certain amount of water depends on the temperature of the water. she decides to do an experiment to test this. she carefully adds salt, 100 mg at a time, to a cup of water and stirs until all the salt dissolves. when she has added so much salt that it will not dissolve after 5 minutes, she measures the temperature of the water. she records the temperature and the final amount of salt. she does this with cold water, cool water, room-temperature water, warm water, and hot water. what is the test variable (independent variable) in this experiment?

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Biology, 29.07.2019 09:20, alexisgilford

Agroup of students is investigating how the addition of salt impacts the floatation of an egg in water. four identical cups were taken for the experiment. the data of the experiment are shown. experimental record cup amount of water (ml) amount of salt (g) level of egg above water 1 450 0 sinks to bottom 2 450 68 2 cm 3 450 136 3 cm 4 450 272 4 cm what was the independent variable in this experiment? level of egg above water amount of water in the cup amount of salt added type of cup

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Biology, 21.10.2019 13:40, monnicawilliam

Ascientist conducted an experiment to determine how the amount of salt poured into a body of water affect the number of plants that can live in the water in this experiment the dependent variable is

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