A cube of zinc and a cube of silver have the same volume. The mass of the zinc is 55lbs (pounds). What is the mass of the silver in kg (kilograms)?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this