Answer:
B) Cell Membrane
Explanation:
A) Chloroplasts are NOT in all cells, A is incorrect
C) Centrioles are for cell division, C is not correct
D) Cell walls are NOT in all cells, D is not correct
B) the cell membrane is responsible for materials traveling into and out of the cells to maintain homeostasis
Answer:
which has a lower freeging point oxgyen or ethanol
C. A new substance is produced. All others are physical changes.
