The excerpt is from an article that roberto read for science class called “using the scientific method to study tomatoes.” the student performed an experiment to test his hypothesis about sunlight and plant height using two plants. he kept everything the same between two tomato plants except he exposed them to different amounts of sunlight. he also used a third plant as a control group, or a group in which no variables are manipulated to confirm the results. roberto critiqued the work. which problem did roberto most likely identify?

The speculation of the examination is that about daylight and plant tallness utilizing two plants

Explanation:

Levels: Different measures of daylight with the two categories of plants. There ought to have been 6 degrees of IV. The amount of light depends on the force or the brilliance of light that arrives at the leaves. The more light photons that hit the leaf, the more vitality caught and quicker development.

Roberto would, in all likelihood, distinguish the two sorts of the plant. These were not considered in the examination. The examination ought to have been numerous between-subjects analyze.

A. The sample size is too small

Explanation:

answer; ///attempts to change more than once behavior at the same time;