Tyler wants to know how the growth of tomato plants is affected by the quantities of various gases in the atmosphere. What type of scientific investigation should Tyler conduct in order to accurately answer his question through direct observations? A. Tyler should research tomato plants on the internet. B. Tyler should grow tomato plants in his back yard. C. Tyler should ask a professional gardener about tomato plants. D. Tyler should perform a controlled experiment.

Question

Biology

Jackson Bray

29 July, 19:57

Tyler wants to know how the growth of tomato plants is affected by the quantities of various gases in the atmosphere. What type of scientific investigation should Tyler conduct in order to accurately answer his question through direct observations? A. Tyler should research tomato plants on the internet. B. Tyler should grow tomato plants in his back yard. C. Tyler should ask a professional gardener about tomato plants. D. Tyler should perform a controlled experiment.

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Quinton Alvarado · Answer 1

The best approach for Tyler is a controlled experiment if he wants to directly observe the outcome.

A controlled experiment is designed to minimize the effects of the variables other than the independent variable. A controlled experiment allows reliable results because he can do the experiment specific to the problem and variables involved.