Question

jenna is testing how fertilizer affects plant height. what might be a constant in this experiment? all of these the amount of water given to each group of plants the amount of sunlight provided to each group of plants the type of plant in each group

Explanation:

In a scientific experiment to test the effect of fertilizer on plant height, factors like water amount, sunlight amount, and plant type should be kept constant to isolate the variable of fertilizer. If these change, they could affect plant height and confound the results.

Answer:

A. All of these