Which structure of the cell controls what goes in and comes out of the cell?

Which are observations about the tree on the right ,? check all that apply

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Construct at least two possible hypotheses for the student’s experiment.