Question

practice it! select the statement that accurately shows repetition in the investigation plans below. the plants are given either 0g, 1g, 2g, 3g, or 4g of fertilizer each week. 20 ml of water is given to each plant each week. five plants of the same type and height are selected for the experiment. the experiment is performed in four separate trials.

Explanation:

Repetition in an experiment refers to conducting multiple trials. Giving different amounts of fertilizer or a fixed amount of water is a variable - manipulation or a control measure. Selecting multiple plants is replication. Performing the experiment in four separate trials shows repetition.

Answer:

The experiment is performed in four separate trials.