Describe atleast three types of weather data that is collected, the instruments used to collect the data and in what units they are measured.

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

How do the kidneys affect homeostasis

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?