Question

Experiment 1:
A student tested to see if sunflower growth was affected by the hardness of the soil. She used control and experimental groups. She repeated her experiment several times, and each time found that the hardness of the soil did not affect the growth.
Experiment 2:
A student tested to see if the temperature of water affected the growth of cacti. She used control and experimental groups. Her data supported her hypothesis.
Which experiment most likely has greater reliability?
A. Number 2 because it has control groups
B. Number 2 because it proved

Answer 1

C. Number 1 because each experiment got the same results
D. Number 1 because the experiment disproved the hypothesis

Answer 2

i wanna say its c but not sure

Answer 3

Something is missing

I say 1 because she repeated the result. in 2 there was no repetition.

Answer 4

C

Answer 5

if your done with this question you should close it