Which statement about elements in the same family is true? a. they have similar atomic sybolsb. they have similar chemical properties c. they appear in the same row on the periodic table. d. they are in the same state of matter at room temperature

What causes the formation of ocean currents?

A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.

Which is a substance that can be separated by physical means and is not the same throughout