Jasper made a list of the properties of electromagnetic waves. identify the mistake in the list.

electromagnetic wave properties
1. are made up of an electric field and a magnetic field
2. are longitudinal waves
3. can travel through space
4. all travel at the same speed in a vacuum

1.Electromagnetic radiation can travel through empty space. Most other types of waves must travel through some sort of substance. For example, sound waves need either a gas, solid, or liquid to pass through in order to be heard.

2.The speed of light is always a constant. (Speed of light : 2.99792458 x 108 m s-1)

3.Wavelengths are measured between the distances of either crests or troughs. It is usually characterized by the Greek symbol  λ

Hope this helps :)

the correct answer is "hematoma formation, with ligaments that are stretched, partially, of fully torn" ankle sprain are produced by an injury to the tough bands of tissue (ligaments) that surround and connect the bones of the leg to the foot. this causes several damage to the ankle including hematoma formation and ligament injury .

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