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Dominik [7]
3 years ago
8

How have scientific ideas changed over time in terms of the structure of the earth

Geography
1 answer:
QveST [7]3 years ago
7 0
Plate tectonics shifted the continents,raised mountains,and moved ocean floors.This has changed the structure of the earth.
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A group of scientists in Alaska notices that not only have atmospheric CO₂ levels increased at their sampling site but so too ha
oee [108]

Answer: The release of methane from thawed permafrost

Explanation:

With increasing global warming, permafrost in the arctic is melting. The  carbon and methyl clathrates present in permafrost escape into the atmosphere to form carbon dioxide and methane, both greenhouse gases.

In the Arctic, molecules of methane are trapped in ice crystals as methyl clathrates. When the temperature increases, these crystals release  methyl clathrates which become methane when in contact with the atmosphere.

The cause of the increasing atmospheric CO{2} is due to the the thawing of dead organisms present in the permafrost. As the permafrost melts, these organisms decay and release  CO{2} into the atmosphere.

5 0
3 years ago
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What does magnitude mean
Ludmilka [50]
Relative size or extent.
7 0
3 years ago
A plant has the following characteristics: a taproot system, several growth rings evident in a cross-section of the stem, and a
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Answer:

b. woody eudicot

Explanation:

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3 years ago
Which state or territory shares the same name as a major city in india
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 Delhi New York, USA they named it after the Indian capital

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A threatened species is in danger of extinction in the immediate future.<br><br> true or false
MissTica

The correct answer is - False.

When a species is classified as threatened, it means that that particular species is expected to become endangered, not extinct. The species that are threatened, are species that have experienced a significant drop in numbers in recent times, but still have enough individuals to be able to survive and keep the species going. But if the situation starts to become worse and the species continues to lose numbers, than the species will fall into the category of endangered species, which will mean that it is expected that the species will die out in the very near future.

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