How does the weight of a body change with the change in altitude?

How does the density of a solid change with minor changes in temperature?

A body of mass m is placed at a latitude of 45^@ on earth of radius R and angular speed omega . How does the weight of the body change if earth stops rotating about its axis?

How does the density of sea water change with depth?

Assertion (A) : The weight of a body changes with altitude. Reason (R ): The accelaration due to gravity changes with altitude.

Will mass of the solid body changes with change in its volume?

Will mass of the solid body changes with change in its volume?