Pregunta en guglu ay te ayudara
Answer:
Elctromagnetic waves can travel through empty space.
Explanation:
Waves that may pass through matter or empty space are known as electromagnetic waves. The electromagnetic field, like the other basic fields, penetrates the whole universe, including the region we refer to as empty space. There are no fields in space. The medium through which electromagnetic waves travel is called the electromagnetic field.
<span>the answer is B) <span>sodium and oxygen </span></span>
Speed = Wavelength x Frequency
and frequency = 1/Period
Speed = Wavelength/Period
Speed = .5 * 2
Speed = 1 m/s
