The behavioral perspective on personality argues that personality is

This perspective argues that personality is the result of an individual's interaction with his/her environment.

Explanation:

This perspective focuses mainly on observable conducts, avoiding focusing on internal processes. Since this perspective makes use of stimulus to create responses, it is understood that the environment influences an individual's behavior.

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.