The electromagnetic waves are types of waves which do not require medium for them to pass through to be able to travel from one location to another. The different types of electromagnetic waves therefore vary only in their wavelength and frequency. Thus, the answer is letter B.
Metals, Metalloids, and Nonmetals These elements can be classified as metals, nonmetals but metalloids ,Metals are good conductors of heat and electricity, and are malleable they can be hammered into sheets and (ductile- they can be drawn into wire.)
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Gravity and friction would affect the long jumper.