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liq [111]
3 years ago
7

About how many galaxies have scientists observed in the universe?

Geography
1 answer:
lutik1710 [3]3 years ago
3 0

Answer: The answer is D

Explanation:

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Please help, it's a timed quiz!
charle [14.2K]

Answer:

Privacy and Cleanliness! <3

Explanation:

I took the test and got it right! <3

3 0
3 years ago
What boundary is at the Pacific plate sliding under the South American plate, creating the Andes Mountains? (answer fast pls)
Masja [62]

Answer:

The plate boundary is a convergent one where a subduction zone is created.

Explanation:

The Andes are the longest and highest mountain chain in South America, and among the largest ones in the world as well. It is a mountain chain created because of the collision between two tectonic plates and the process is still not over, so the Andes are still growing in size and elevation.

The plates that collide are the Nazca Plate (not the Pacific as it is stated in the question) and the South American plate. The Nazca Plate is a smaller plate and it is mostly made up of oceanic crust, while the South American plate is much larger and is mostly made up of continental crust. The lower and denser Nazca plate moves below the South American plate, thus it subducts, and as it does so, the crust near the plate boundary is pushed up, creating a mountain chain, in this case, that being the Andes.

4 0
2 years ago
Which sedimentary rocks would you expect to have originally been deposited by fast-moving streams?
rodikova [14]

Question Options:

Oolitic limestone

Gi'eywvacke

Mudstone

Conglomerate

Answer: CONGLOMERATE

Explanation: Conglomerate is a rock consisting of grave or pebbles embedded in a matrix. Conglomerates typically contain finer grained sediment, e.g., either sand, silt, clay or combination of them. It takes a strong water current to transport and produce a rounded shape on particles in conglomerate.

3 0
3 years ago
The subduction of oceanic crust under continental crust predominantly produces which of the following types of volcanic eruption
MAXImum [283]
<span>The subduction of oceanic crust under continental crust predominantly produces violent and explosive types of volcanic eruption.
This is because this type of lava is created at low temperatures, but would cause a violent and explosive eruption at some point in time.</span>
3 0
3 years ago
Conclusion about the importance of the atmosphere​
Anna35 [415]

Answer:

i hope it's help you☺

Explanation:

Life on Earth would not be possible without our air. Our air (the atmosphere) provides us with oxygen to breathe and carbon dioxide for plants to live. But the atmosphere does a lot more than provide air for living organisms. The atmosphere also helps to regulate Earth's temperature.

4 0
3 years ago
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