Answer:Unconditioned response; conditioned response
Explanation: in classical conditioning ,unconditioned response refers to an environmental stimulus which occurs naturally and automatically and triggers a natural response that has not been learned before , this response is called unconditioned response. Like when you cut an onion you will automatically shed an ear.
Conditioned stimulus is previously neutral stimulus such as a bell which is associated with an unconditioned stimulus which is meat , after this association the conditioned stimulus will start to trigger the same response as unconditioned stimulus , this response is a referred to as a conditioned response.
The Yellowstone National Park is valuable to the US from many perspectives; protecting the environment, offering recreation, bringing in money from tourism etc.
Explanation:
The Yellowstone National Park is one of the most famous national parks in the world. The reason for that is that this national park has lot to offer; interesting physical features, geysers, beautiful forests, wildlife... This brings in lot of benefits with it.
The conservation of Yellowstone National Park is very important for conservation of the species living in it, as well as being very important for reintroduction of species that were extinct in the area, such as the wolf. Aesthetically it is beautiful, with all of its diversity in nature and land forms. From practical point of view, the people use it for relaxing, recreation, and it brings in lot of revenue from tourism.
