Which is the best suitable reason for choosing the source of water mentioned below ?
A. Ground water: clean and easily usable
B. Underground water: does not evaporate, recharge well and clean
C. Ground water: Contaminated
D. Underground water: does contain bleaching agents such as chlorine

B

Explanation:

because the underground water is more clean and no one can people touch it

sana makatulong

A. collection of waste material or diffusion of material

Explanation:The walls consist of a very thin layer of epithelial tissue encased in a moist membrane which enables the diffusion of nutrients and oxygen out of the blood and the diffusion of waste products into the blood