Vitamins A, D, E, and K are fat-soluble. B vitamins and vitamin C, on the other hand, are water-soluble. Vitamin A. Vitamin A is found in many yellow-colored fruits and vegetables. Good sources include: sweet potatoes; winter squash; carrots; dark leafy-green vegetables; fatty animal tissue, such as liver or fish
A negative externality (also called external cost or external diseconomy) is an economic activity that imposes a negative effect on an unrelated third party. It can arise either during the production or the consumption of a good or service.
Negative externality: 1  Pollution from a factory can cause health problems and erode the quality of life and property values in a community.  A power plant that burns coal to generate electricity emits pollution. The more electricity that is demanded by customers, the more coal that is burned in order to produce it.