Question

the passage below describes an experiment. anna planted 25 tomato seeds one - half inch below the surface of the soil in each of six pots. she added an equal amount of fertilizer to three of the pots. she then placed all six pots in a plant growth chamber where all the seeds would experience the same temperature, amount of light, and level of humidity. after two weeks, anna counted the number of seedlings growing in each pot. she compared the number of seedlings in the pots with fertilizer to the number in the pots without. identify the question that the experiment can best answer. does the humidity level affect the number of tomato seedlings that grow? do more tomato seedlings grow when planted in soil with fertilizer or without fertilizer?

Explanation:

The experiment varies the presence of fertilizer while keeping temperature, light, and humidity constant. So it aims to test the effect of fertilizer on tomato - seedling growth.

Answer:

Do more tomato seedlings grow when planted in soil with fertilizer or without fertilizer?