George observed a difference in measurements for the same item at different altitudes due to variation in gravity. which type of scale did he likely use? a) analytical scale b) spring scale c) balance

Why don't you see your reflection in water with waves or repples

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.