A researcher conditions a rat to press a lever in an operant conditioning chamber for the positive reinforcement of food. The next day, after being fed a reduced diet, the rat is more interested in smelling the cedar on the cage floor than pressing the lever. This is an example of:

What type of pollution does household garbage cause

To store strawberries in sugar syrup, lucy placed them in a jar and covered them with sugar but did not add any water. do you think syrup will be formed? justify. a. no. since water is not added, there cannot be any syrup formation. b. no. the higher concentration of sugar on the outside will cause the water from the sugar to diffuse in the strawberry cells causing them to swell without formation of any syrup. c. yes. the higher concentration of sugar on the outside will cause the water from the strawberry to diffuse out resulting in syrup formation. d. yes. the sugar will melt over time and form the syrup.

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.