<span>The waves with the longest wavelengths in the electromagnetic spectrum are "Radio Waves"
So, option D is your answer
Hope this helps!
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Convex lenses bulge<span> out in the </span>middle<span> </span>
Sunspots<span> are temporary phenomena on the </span>Sun<span>'s photosphere that appear as </span>spots<span> darker than the surrounding areas. They are regions of reduced surface temperature caused by concentrations of magnetic field flux that inhibit convection. </span>Sunspots<span> usually appear in pairs of opposite magnetic polarity.
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making cars that get better gas mileage