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ser-zykov [4K]
3 years ago
14

The oceanic crust is composed of dark igneous rocks called __________; whereas the upper continental crust has an average compos

ition of a __________ rock.
Geography
1 answer:
inysia [295]3 years ago
4 0

Answer:

Basalt, sedimentary rock.

Explanation:

  • The reason why the continental crust differs from the oceanic crust is much different in its compositions. The continental crust is thin and less dense , is made of sedimentary and metamorphic rocks than the oceanic crust and is made of lighter elements. The tectonic plates move the composition to the rocks.
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How is limestone formed?
MaRussiya [10]
It most commonly forms in clear, warm, shallow marine waters. It is usually an organic sedimentary rock that forms from the accumulation of shell, coral, algal, and fecal debris. It can also be a chemical sedimentary rock formed by the precipitation of calcium carbonate from lake or ocean water
3 0
4 years ago
How many of the 50 states are on the north american continent
solmaris [256]

Answer:

  49 or 50

Explanation:

It depends on who's saying.

The National Geographic Society claims Hawaii (in the Pacific Ocean) is considered part of North America.

The World Atlas identifies Hawaii as part of the continent of Oceania, not North America.

4 0
3 years ago
______people were the first to arrive in North America.
solong [7]
<h2><u>Answer:</u></h2>

Native Americans, otherwise called American Indians, Indigenous Americans and different terms, are the indigenous people groups of the United States, aside from Hawaii. There are more than 500 governmentally perceived clans inside the US, about portion of which are related with Indian reservations.  

The overarching hypothesis recommends that individuals moved from Eurasia crosswise over Beringia, a land connect that associated Siberia to introduce day Alaska amid the Ice Age, and afterward spread southward all through the Americas over the resulting ages

7 0
3 years ago
--------------------------G C S E G E O G R A P H Y----------------
alexira [117]

<u>Answer:</u>

Considering the example of Japan, it can be justified that both the primary and the secondary impacts of tectonic hazard cause the most damage.

<u>Explanation: </u>

  • Any tectonic activity of considerable magnitude generates tremors and causes earthquakes and related phenomenons.
  • Japan has consistently been subject to the secondary impacts of such tectonic hazards like earthquakes and tsunamis.
  • The areas close to the coasts of Japan are tectonically active making Japan vulnerable to its aftermaths.
  • Moreover, Japan also has some dormant volcanoes which are a result of tectonic activity.
5 0
3 years ago
American patriotism grew with the war efforts.<br><br><br> True<br> False
yKpoI14uk [10]
It really depends on which war the question is referring to, but if it's referring to WWII the answer would be true.
7 0
3 years ago
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