What type of incentives appeal to someone’s concern about a cause?
solidary incentives
purposive incentives
material incentives
negative incentives

B: Purposive incentives

Explanation:

 Purposive incentives appeal to someone's concern about a cause  because they feel satisfaction about taking part of something they believe in and agree with, and it is based on ideologial principles and ethical beliefs .  It's a benefit for them because everyone needs some kind of reward, but it does not come necessarily in form of material rewards or bonus.

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.

on the first day of new student week, amber revealed to her roommate that she is a lesbian. this is an example of self-disclosure.