Question

WILL MARK BRAINLIEST!

An experiment is performed to test the effect of three different types of water on the growth of a plant. The test is done by using tap water, distilled water, and carbonated water. Choose the statement below that describes the tap water in this experiment.

A. The tap water is a controlled variable for all plants.
B. The tap water is the control group for comparison.
C. Tap water is the only test condition that will cause changes in the dependent variable.
D. Tap water is one of the three test conditions of the independent variable, the type of water.

Answer 1

Answer:

D. Tap water is one of the three test conditions of the independent variable, the type of water.

Explanation:

An independent variable is the part of a science experiment that is changed. Since you are changing the type of water, the independent variable would be the water. There are 3 types of water in this experiment, meaning the tap water is one of the 3 test conditions of the independent variable.