Representative democracy i think but i don’t know for sure
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
The Germans started before us I believe, but the US finished it first with the help of some of their scientists
Canada and all land east of the Mississippi River
The difference between the trading-post empire of the Portuguese in the Indian Ocean and the colonies in the New World is:
- The outpost in the Indian Ocean were small outposts while the New World was the one where the Portuguese controlled large territories.
<h3>What was the New World?</h3>
This refers to the colonization of the Western Hemisphere by early explorers.
With this in mind, we can see that the Portuguese explorers established small outposts in the Indian Ocean which they discovered, which was different from their control of large territories in the New World.
Read more about New World here:
brainly.com/question/1280301