Supply is the total amount of a that is available to consumers. A) good or device B) good or service C) product or warranty D) service or industry

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.

your answer is "graduates" hope this