The data table below shows the presence or absence of DNA in four different cell organelles. Information in the table suggests that DNA functions

A) within the cell vacuoles
B) only within energy-releasing structures
C) both inside and outside of the nucleus
D) within cytoplasm and outside of the cell membrane

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?