What type of government gives the people the power to elect officials to make their decisions

A democracy. An example of a country who uses this is the United States of America  

Democratic government

Explanation:

A democratic government is a government in which the people have the power to elect their officials.

answer; i believe the correct answer is enlightenment;

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.