Answer: In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. ... Animal cells simply have a cell membrane, but no cell wall.
Explanation:
I believe that would be vitamin A, because vitamin A generally increases with age.
Hope it helps!
Answer:
A I'm pretty sure cause t hff sts really the only one that makes sense
Answer: A variable within a scientific experiment is something that is changed (i.e. it varies). There should be only one manipulated variable within a scientific experiment so that the experimenter can be certain it is this variable which causes a pattern in the resultant data, if any exists at all.
Explanation: