According to the biological perspective, a person with phobia has elevated activation in a part of the brain called the

answer; eliminate parking problems in cities, because a car took up only half as much space as a horse and buggy;

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.