Answer: 2,000,000 acres of unassigned lands lying in Indian territory.
Answer: second choice
Explanation: As you may know, the world around us and our country has greatly changed, and yet the constitution still stands. This is why.
The Battle of Britain was a major air campaign fought over southern England in the summer and autumn of 1940. ... The Battle of Britain was ultimately a test of strength between the German Air Force (Luftwaffe) and the RAF. The RAF had become an independent branch of the British armed forces in 1918.
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
