Answer: No, his experiment is not designed correctly.
Explanation: He didn't use the same measurements in each experiment. He should've either buried them all in the yard, or she should've kept them all in pots. Not having them in the same environment could affect the results of his experiment, thus making it inaccurate.
I think that humans are really smart and they are really valuable because they have made it this far. They have invented many thing and every one of us has a good idea about this human value
