Jorge is conducting an comparative experiment where he is comparing the heights of adults who grew up taking a certain vitamin and adults who did not. he finds that those who took vitamins are, on average, 2 cm taller. what is a major limitation of his experiment? large amounts of information can be gathered. it is repeatable. he can not show definitively that vitamins cause a person to be taller. no relationship can be shown between vitamins and height.

Explain the side effects of cancer treatments

If your blood becomes too concentrated with iona, what will happen to the red blood cells

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.