What causes air masses to move?
O A difference in air pressure and temperature occurs.
O Weather conditions change rapidly to produce storms.
O A collision takes place between two natural wind patterns.
O Long, narrow bands of wind blow in the upper atmosphere.

A difference in air pressure and temperature occurs.

the correct answer is blue and green.

a visible spectrum is electromagnetic spectrum color that can be seen by a normal human being by a single wavelength of light. the visible light spectrum is the range of wavelengths that make up visible light. the visible light spectrum passes through a prism enabling the rainbow reveals all the colors in the spectrum. these range from red, orange, yellow, green, blue and violet.