The process of converting a neighborhood from low-income to middle-class or upper-class is

The answer that will fit best in the question above is gentrification. It is because this is the process of having to be able to do an improvement or do some renovating in terms of a particular thing in which is a way of developing something into a more middle class taste.

answer; ///i believe the correct answer is the empire state building;

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.