Electromagntic wave, such as an X-ray.
Explanation:
- Electromagnetic wave does not require any medium to travel. These waves propagate outwards from the source.
- They can travel even through the vacuum of outer space.
- The major source is the sun which emits radiation in the form of the Electromagnetic spectrum.
- These waves travel through oscillating electrical and magnetic fields generated by the oscillating charged particles.
- These waves oscillate in the perpendicular direction of planes concerning each other and are in form.
- Electromagnetic waves travel at speed of light.
I would say B is the answer to that bro
Answer:
Below
Explanation:
D, the universe began 13.8 billion years ago (I assume this test may be a little outdated since the updated version is 13.8 billion years ago, but D is the closest to the answer, so I would go with D).
Hope this helps!! :)
Answer:usually a wall or a bridge seperates another country
Explanation: hope i helped
