Question

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

Explanation:

Repetition in an experiment means performing the experiment multiple times. Performing the experiment in four separate trials is an example of repetition. Selecting plants is sample - selection, giving water is a constant condition, and varying fertilizer amounts is changing an independent variable.

Answer:

The experiment is performed in four separate trials.