Julie, a sixth grader, nearly always eats lunch with the same five or six girls. the girls usually spread out at their table so that no one else can join them. sometimes they even plan together what they will wear to school the next day. julie's group is an example of:

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.

is there a year set? the question is incomplete