Biology, 11.10.2020 23:01 xxxanitaxxx
In an experiment, a scientist adds half a cup of fertilizer to pond “A” and zero fertilizer to pond “B” to compare the amount of algae growth from the fertilizer over a 30-day period. Each day he records the amount of algae that has grown in pond "A" and in pond "B" .
Measuring the amount of algae that grows would represent a(n)
A. dependent variable
B. independent variable
C. prediction
D. model
Answers: 3
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In an experiment, a scientist adds half a cup of fertilizer to pond “A” and zero fertilizer to pond...
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