How is the kelvin scale different from the celsius scale?

Difference is between the freezing point of water and the boiling point of water.

Alkaline earth metals are found in group 2 of the periodic table.

Answer: buoyancy forceexplanation: in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.