Question

URGENT!!!!

Answer 1

The correct answer is (c) He needs to use a large sample size.

Johannes needs to use a large sample size to get the results more precisely and accurately. The large sample size could have used soil in such a way that the results could have recorded more early. The time of experiment could have reduced. The large sample size could have consumed more amount of soil and water so that the results obtained by them could have been more accurate.

Answer 2

The best answer among the following choices provided would be the third option C) He needs to use a larger sample size because if he uses a bigger size than the more soil and water can make a bigger/better tree.