Can someone tell me the answer it’s due tomorrow

1. b. Amount of plant hormones added

2. c. Average height

3. b. 6

4. a. Group 1

Explanation:

1. This is what is being changed. This variable doesn't rely on anything else.

2. This is what is being measured. This variable relies on the independent variable in order to get the information needed.

3. The first group is not part of the experimental group because there are no hormones added to the water, which means that the plant grows naturally. All other plant groups have hormones added to them, making the results experimental.

4. This is the group that no hormones are added to the water. This group is being compared to the other groups in the experiment.

i think its c. amphipod