Answer:
The main ingredient of cells is water. Water is needed to maintain homeostasis. Cells are also made up of macromolecules—nucleic acids, lipids, proteins, carbohydrates. These macromolecules help maintain a cell's structure, help cells communicate with each other, aid in energy storage, etc.
I think it is I because it is at the top of the cart
They can be used to contain cellular waste and to isolate materials that may be harmful to the cell.
Answer:
minerals are not man-made. They are naturally occurring. Minerals concocted in the the lab do not count although there are about 208 man made minerals discovered around mines
Pesticide use can be very harmful beacause too much of them can cause the crops to go bad, and kill bees which help spread pollen and enhance the crops.