<span>Alcohol can reduce stress. It can also lessen fears and take off troubles from our mind. It is not dangerous when taken occasionally but once a person starts drinking alcohol to cope with stress; he is more likely to build a tolerance to the de-stressing effects of alcohol. This makes anxiety and stress more difficult to cope with later.</span>
stimulation of the reticular activating system makes us alert
Answer:
Contrast, is the right answer.
Explanation:
The difference in color or luminance that makes an object separable is known as Contrast. In the context of the real-world visual perception, it is defined by the variance in the color and shine of the object and other articles within the corresponding area of view. Contrast sensitivity is one of the most significant measures of visual function, particularly in the situation of fog, glare or low light.
