What mass of calcium chloride added to 22 g of water decreases the freezing point by 2.21 Kelvin?

Earth's rotation cause the global convention current between the equator and the poles

Ur e n d is not real

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.