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, sometimes, costs or benefits may spill over to a third party not directly involved in the transaction. These spillover costs and benefits are called externalities. A negative externality occurs when a cost spills over. A positive externality occurs when a benefit spills over.So, externalities occur when some of the costs or benefits of a transaction fall on someone other than the producer or the consumer. negative externality exists when a cost spills over to a third party. A positive externality exists when a benefit spills over to a third-party. Government can discourage negative externalities by taxing goods and services that generate spillover costs.