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.
However, the externality also increases the aggregate cost to the economy and society, making it a negative externality. Externalities are negative when the social costs outweigh the private costs. Some externalities are positive. Positive externalities occur when there is a positive gain on both the private level and social level.