What is the commercial unit of energy.

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Blank liquids and gases exert a buoyant force on objects placed in them

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation