Answer:
.
Explanation:
The cytoskeleton is responsible for contraction, cell motility, movement of organelles and vesicles through the cytoplasm, cytokinesis, establishment of the intracellular organization of the cytoplasm, establishment of cell polarity, and many other functions that are essential for cellular homeostasis and survival.
Reason*
waters from natural sources contain minerals. these minerals can either be basic or acidic, thus changing the pH of water accordingly.
If the gravity of the earth increases, our weight increases cause everything to be heavier
