Most experts believe the first modern humans lived in Africa.
Answer:
Difference threshold
Explanation:
Difference threshold is the minimum amount that something needs to changes for a person to notice a difference 50% of the time. This concept has been applied for all area of the perception that is touch, sight smell hearing, and vision. These all areas need to be threshold before changing the threshold that a person sensed. In psycho-physical, the smallest change that is detectable changes in the stimulus or we can say that the difference between two stimuli that is noticeable that is defined as the noticeable discrimination is 75 %. It is also called the difference limen or discrimination threshold. It is also called just a noticeable threshold. It is a minimum difference in stimulation that a person can detect 50 times. We can feel the difference threshold as just a noticeable threshold.
Answer:
Natural resources also affect where people live. People live near water and food for basic necessities. Water also allows for transportation. Changes in the environment force people to make a decision: stay and adapt to the change or move and adapt to a new environment.
Explanation:
