Answer:
yeah but where r u ..............
Answer:
Explanation:
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I believe the correct answer is the third option: it increases the demand for steel since steel was used to make rail cars and tracks.
The type of wave which needs a medium to travel are sound waves because they travel by oscillating electromagnetic fields
<h3>What is a Sound Wave?</h3>
This refers to the waves of refraction which is propagated by a plastic medium.
With this in mind, we can see that mechanical waves are the types of wave that needs a medium for propagation and a sound wave is an example of a mechanical wave because it travels by oscillating electromagnetic fields.
Read more about mechanical waves here:
brainly.com/question/9242091
Answer:
Explanation:
The small hand of the clock, at 8:00 am has covered 2/3 of the clock's face. That leaves 1/3 to go to 12 noon.
1/3 * 360 = 120
To get to 2 oclock, you need to go 1/6 of the way.
1/6 * 360 = 60
Total 180.
Treat this answer with care. It may not be correct. There may be an offset on the clock's face.