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steposvetlana [31]
3 years ago
15

How many countries are in Africa?

Geography
2 answers:
oksian1 [2.3K]3 years ago
5 0
Africa has 54 different countries
Pani-rosa [81]3 years ago
4 0
54
 countries it is answered
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Can a nonfoliated igneous rock undergo metamorphism and be turned into a foliated igneous rock? yes no
Agata [3.3K]
Yes it can.

Under metamorphism,which high heat or pressure is applied to the igneous rock,the igneous rock’s chemical composition or texture will be different from that of it's parent rock and turn into a metamorphic rock.

In your case,an igneous rock would undergo metamorphism where large scale mountain building process take place such as folding and faulting,and the rock would be under very high pressure,hence turn into a foliated structure. The metamorphism is called dynamic or regional metamorphism if you want to know.

For example, an igneous rock,granite, will turn into gneiss under metamorphism in which high pressure take place.

hope it helps c:
3 0
3 years ago
What are the 4 ways that carbon dioxide is being released?
11Alexandr11 [23.1K]

Carbon dioxide is added to the atmosphere by human activities. When hydrocarbon fuels (wood, coal, natural gas, gasoline, and oil) are burned, carbon dioxide is released.
4 0
3 years ago
How were the effects of Hurricane Katrina both natural and human-made? Write 1-2 sentences.
Alisiya [41]

The effects of Hurricane Katrina is natural because flood is a natural process, and human-made because it wasn't controlled earlier.

<h3>What is Hurricane Katrina?</h3>

Hurricane Katrina serves as a disaster that occurred in United States which claimed the lives of about 1800.

This destructive occurrence is both natural and human-made because President Barack Obama if government have been proactive, it could have been avoided.

Learn more about Hurricane Katrina at;

brainly.com/question/14210522

#SPJ1

5 0
2 years ago
If we can measure the period of a star's "wobble" caused by an orbiting planet, we know the _______. If we can measure the perio
Feliz [49]

Answer:

Scientists can use the wobble to work the planet's mass and the distance from the star.

Explanation:

Detecting a star's wobble is one way to find out if there are planets orbiting it, this happens because the planet is “tugging” on it, the gravitational force from the star acts to keep the planet in orbit, and the gravitational force from the planet acts to move the star as the planet orbits. Scientists can use the wobble to work the planet's mass and the distance from the star.

Considering this information we can conclude that the correct answer is distance to the planet and mass of the planet.

I hope you find this information useful and interesting! Good luck!

6 0
3 years ago
⦁ What is subduction, and which type of rock subducts?
Vladimir79 [104]

Answer:Espero te sirva

Explanation:La subducción es el proceso de hundimiento de una placa litosférica bajo el borde de otra placa, formándose los llamados límites convergentes entre placas. La placa subducida, la que se hunde, suele estar formada por corteza oceánica, más delgada y densa que la continental. La subducción ocurre a lo largo de amplias zonas de subducción que en el presente se concentran especialmente en el entorno del océano Pacífico, en el llamado cinturón de fuego del Pacífico, pero también hay zonas de subducción en partes del mar Mediterráneo, las Antillas, las Antillas del Sur y la costa índica de Indonesia.

7 0
3 years ago
Read 2 more answers
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