Carbon is the basic element for living thing
The answer is A. A water molecule
because you’re removing H2o
The ans. is vein and capillaries transporting and importing blood from and to the body system.
Answer:
Diffusion. ... Diffusion is the movement of molecules from a region of higher concentration to one of lower concentration. This movement occurs because the molecules are constantly colliding with one another. The net movement of the molecules is away from the region of high concentration to the region of low concentration.
Explanation: