<span>A water molecule is a polar molecule because ot the shape of its molecule. One side of the water molecule is positively charged while the other is negatively charged. The oxygen and the hydrogen atom in water shared electrons by covalent bonding, the oxygen atom has a slight negative charge and attract most of the electron to itself.</span>
This is called active transport. The proteins use ATP to transport stuff in and out of the cell.
Answer:
Send me the answer in text not image and easy answer.
Answer:
a) root system .take care
