Biology, 02.10.2020 15:01 graycelynn123
In which situation has the independent variable for the experiment been changed?
Check all that apply.
changed from counting the number of duckweed at day 0 and day 14 to counting them every day
changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks
changed from testing the effect of pH on duckweed growth to testing the effect of light levels on duckweed growth
changed from testing the effect of acid pH on duckweed growth to testing the effect of basic pH on duckweed growth
Answers: 3
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In which situation has the independent variable for the experiment been changed?
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