5. Which of the following statements about a con-
trolled experiment is true?
a. All the variables must be kept the same.
b. Only one variable is tested at a time.
c. Everything can be studied by setting up a con-
trolled experiment.
d. Controlled experiments cannot be performed
on living things.
Answers: 3
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Match with o for organic and i for inorganic for each compound
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Long term exposure to waves can cause sunburns and skin cancer.
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Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time
Answers: 3
5. Which of the following statements about a con-
trolled experiment is true?
a. All the vari...
a. All the vari...
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