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.
Externalities or spillover occur when some of the benefits or costs of production are not fully reflected in market demand or supply schedules. Some of the benefits or costs of a good may spill over to a third party. It is also called third party effect. Positive externalities refer to spillover benefits. It occurs when direct consumption by some individuals impact third parties positively. Public health vaccinations and education are two examples.