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Vika [28.1K]
3 years ago
7

How could you physically demonstrate the difference between P waves and S waves to a friend who hasn’t taken a geology course? (

Caution: Don’t hurt your friend!)
Geography
1 answer:
kompoz [17]3 years ago
5 0

jump rope, you each hold one end and make waves

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Net migration from urban to rural areas.
Ghella [55]

Answer:

Rural to urban migration represents people moving from village to town.

Explanation:

This causes the cities to grow and to be overcrowded. People migrate from countryside to town to find better life standard. They are in search for better jobs, vivid social life and run away from rural living. Unfortunately this causes the villages to be abandoned and be forgotten.

8 0
3 years ago
How is a representative democracy different from a direct democracy? ​
Bingel [31]

Answer:

In representative democracy, citizens elect representatives, who in turn represents their interests in the elected government. The vast majority of democracies in the world are representative.

In a direct democracy, citizens have more direct ways to participe in the government, and in the making of the laws of the country or region. There are very few places in the world where direct democracy is the norm, Switzerland being perhpas the most noteworthy example.

3 0
3 years ago
In earth's climate system, positive feedbacks tend to ______ changes in the system, and negative feedbacks tend to ________ the
Lorico [155]
In Earth's climate system, positive feedback's tend to amplify changes in the system, and negative feedback's tend to encourage the system against change. Having a positive feedback gives the newest updates and brings the problems on the table, thus changes are always a must when there's proof that suggest there's big problem, but when the feedback is negative, lacking, then there's not pressure for changes, so anyone who has interest in not changing will push for that, thus encouragement of taking no changes. <span />
4 0
3 years ago
Asia has 60% of the world's population, but only 20% of the languages dying. Why might that be?
Advocard [28]

The percentage of languages that are dying out in Asia is only around 20% from the total number of languages dying out in the world, despite it having around 60% of the global population is due to two reasons:

- <em>Number of languages;</em>

Asia, even though it has around 60% of the world's population, it only has around one third of the languages spoken in the world, so automatically there's a big disproportion between the number of population and number of languages, thus giving it a smaller percentage of languages dying out.

- <em>Keeping the tradition;</em>

Lots of Asian nations are not very willing to let their traditional language to die out and continue to speak it. Apart from the traditional point of view, another reason is that Asia has global economic powers, so learning languages like the English or Spanish are not of great benefit in general, so the pressure is much lesser.


3 0
3 years ago
What are elliptical galaxies mostly made of?
HACTEHA [7]
E0 ellipticals are nearly circular, while E7s are very stretched out. Elliptical galaxies are made up of mostly old stars, and do not have much gas and dust. There is very little new star formation in these galaxies.

Mostly made of old stars
7 0
3 years ago
Read 2 more answers
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