It should be lowered and stay lowered for are own safety hope this helped
Answer:
Escape training/conditioning.
Explanation:
The <em>Skinner box</em> or operant conditioning chamber is a <em>laboratory system created to study animal behavior by American psychologist B. F. Skinner</em> (March 20, 1904 – August 18, 1990).
It has a mechanism that <u>conditions</u> animal behaviour by subsequent introduction of reward or punishment. In this example, the rat is <u>conditioned or in other wards is trained to escape punishment</u> in the form of the electric shock by pressing the bar.
Answer: I think D
Explanation:
The Appalachian Mountains, often called the Appalachians, are a system of mountains in eastern North America. The Appalachians first formed roughly 480 million years ago during the Ordovician Period. They once reached elevations similar to those of the Alps and the Rocky Mountains before experiencing natural erosion.
In an ecosystem, there are producers of food and there are consumers. The consumers can be herbivores that consume plants or carnivores (that predate on other consumers). In the case of a particular food chain, the removal or modification of consumers or producers severely affects the other.