Which force is a noncontact force?
a. friction
b. air resistance
c. gravity
d. buoyancy

Answer-Gravity

the force that attracts a body toward the center of the earth, or toward any other physical body having mass

the rebels’ chances of victory at lexington & concord were fairly slim, given the fact that most of them very untrained and they were up against the world's greatest military force.  

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.