Assimilation is taking place in the liver or any other cell. â¢ In absorption, nutrients are added to the blood stream or lymph, but in assimilation, nutrients are taken out from the blood stream/ lymph. Related posts: 1  Difference Between Mechanical Digestion and Chemical Digestion.
Why Bottled Water Has an Expiration Date. Bottled water may carry an expiration date, but under typical storage conditions it does not go bad. It can grow algae and absorb chemicals from its container that make it taste bad. GNL Media / Getty Images.
Problems With Bottled Water. New York City consumers buy over a billion bottles of water a year because advertising has led them to believe itâs safer or better tasting than tap water. In fact, New York City tap water is just as safe, clean and healthy as bottled water, and often more so. Bottled water creates many environmental, economic, public health and social justice problems. Environment â¢ Plastic bottle production in the United States annually requires about 17.6 million barrels of oil.