Kilometers, Meters and centimeters if metric
Feet, inches, yards and miles if customary ( u.s.)
Weathering is the process of breaking large rocks and boulders into much smaller ones. Weathering can be brought about by wind and water mostly. Sometimes even biological forces account for some types of weathering.
The temperature of the gas, the hotter they get the faster they move. the colder they get, the slower they move