A. she did not believe the new formula plants grow better than the old formula.
b. it was necessary to see data from more plants before the conclusion could be accepted.
c. it was necessary to have tested the fertilizer on different kinds of plants.
d. she thought he should test additional fertilizer formulas on the same two plants.

Where substance is produced during cellular respiration

Several billion years ago which gas was the least prevailant in the atmosphere

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.