"the best explanation for why the onion cells do not burst, while red blood cells often do, is that
(1)the red blood cells have only a cell membrane, which does not protect them from bursting
(2)the onion cells do not have a cell wall that could protect them from bursting
(3)the onion cells have a cell membrane, which can protect them from bursting
(4)the red blood cells have a cell wall, which does not protect them from bursting"

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.