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Alex73 [517]
2 years ago
15

What is the main difference between mechanical and electromagnetic waves?

History
1 answer:
s2008m [1.1K]2 years ago
6 0
The main difference between mechanical and electromagnetic waves is as follows: mechanical waves need a substance such as a liquid to travel through. Electromagnetic waves, on the other hand, do not need any substance or medium to travel through. Electromagnetic waves are transmitted in a vacuum while mechanical waves are not transmitted in a vacuum. As mentioned above, mechanical waves travel in a substance or medium such as water. An example of mechanical waves is when a stone is thrown into the water. The resulting ripples are mechanical waves. Examples of electromagnetic waves are light waves or radio signals. 




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Shkiper50 [21]

Answer:

1. First hand experience of poverty.

2. The United States was not invaded nor thoroughly destroyed.

3. Economic help.

Explanation:

1. Marshall came from a settler family in Virginia. His father suffered financial difficulties when George entered the Military Institute.

2. Marshall, who served in the first and in the second world war, had a more than average knowledge of the European continent. For him, having seen the destruction of Europe after world war II, he was aware that it might be difficult to explain the needs of millions of Europeans to Americans save at home in a country that didn´t suffer (civilians) like other countries did.

3. As my (grand)parents in the Netherlands once told me, the most difficult years of the world war came when it ended. There was nothing to eat.

The Netherlands, like most devastated European countries, urgently needed economically help in order to build up what was utterly destroyed.

Tip: look for the movie Europe by Lars von Trier.

4 0
2 years ago
Which of the following is Diocletian best remembered for?
lara [203]

Answer:

Correct answer is C. He divided the Roman Empire into a Western and Eastern Empire.

Explanation:

A is not correct as Republic collapsed in 1st Century BC and Diocletian ruled in 3rd and 4th Century AD.

B is not correct as this is contributed to Octavian August.

C is correct as he divided empire, and even choose his co-ruler.

D is not correct as this was done by Constantine The Great.

7 0
3 years ago
What was the counter-reformation?
nataly862011 [7]
It was the period of catholic resurgence initiated in the response to the Protestant Reformation

6 0
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India is a subcontinent and consists of all of the following except a. valleys c. desert b. plateaus d. forest
scoray [572]

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D. FOREST!

Explanation:

CORRECT ON e2020 AND edge nuity AND quizlet! lolzzzzzz

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8 0
3 years ago
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Fudgin [204]
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5 0
3 years ago
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