Answer:
food pellet
Explanation:
Unconditioned stimulation is a stimulus that causes an automatic and natural response to a specific situation. In the case of the situation shown in the question, the unconditioned stimulus is the food pellet, because the rats when they smelled vanilla knew they would get a food pellet in the left corner of the cage, so when the rats felt the vanilla smell automatically shifted to the left corner of the cage, even if they didn't receive the food pellet.
6 Feet.
Hoped this helped!
<span>Coal and limestone. These are two that you are looking for. I hope this helps you.</span>
I think the correct answer from the choices listed above is the last option. Manure is carried by rain water from land to a river. This is an example of non-point source pollution. This type of pollution <span>is caused by rainfall or snowmelt moving over and through the ground. Hope this answers the question.</span>