As tennis balls were added the student perceived a change in weight of the backpack. This demonstration would provide an example of the which is the minimum intensity of sensory stimulation needs to change before the sensation is detected 50 percent of the time.

difference Threshold

Explanation:

As tennis balls were added the student perceived a change in weight of the backpack. This demonstration would provide an example of the difference Threshold which is the minimum intensity of sensory stimulation needs to change before the sensation is detected 50 percent of the time.

.A difference threshold is the minimum amount that something needs to change in order for a person to notice a difference 50% of the time. ... For example, if I were to give you a pile of five marshmallows and then give you one more, you'd probably notice the difference just like in the case of the tennis balls that were added so that the student can perceive change in weight of the backpack.

answer: hey improve the marine life in a certain area.

they provide a new location for fishermen to fish and which works to ease the pressure on natural reefs.

they are a great way to get rid of large objects that would otherwise be placed on landfills

explanation: