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Otrada [13]
2 years ago
7

Select the correct answer. Which of the following groups have lived on the continent of South America for the longest time? A. A

fricans B. Native Americans C. Spaniards D. Portuguese
Geography
2 answers:
WARRIOR [948]2 years ago
6 0
Native Americans so the answer is b
Yuri [45]2 years ago
5 0

Answer:

B. Native Americains.

Explanation:

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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.

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3 years ago
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While physical weathering Will break a rock into chunks ___ turns to the rock into soil
maxonik [38]

it will turn into sediments.

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3 years ago
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional
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Explanation:

6 0
3 years ago
In which country is it said that finding a spider web on christmas morning brings good luck
andreyandreev [35.5K]

Answer:

Ukraine and Germany

Explanation:

Spiders may seem like a more specific Halloween ornament, but eight-legged creatures actually play an important role in other parties. We have discovered the tradition of "Christmas spiders."

It is based on a European folk tale that has been attributed to several countries, often Ukraine and Germany. In a version of the Christmas spider story, a widowed mother and her children were too poor to decorate their Christmas tree, and friendly spiders wove elaborate nets on a fir tree. When the family woke up on Christmas morning, they opened the curtains and sunlight illuminated the cobwebs, turning them into silver and gold (sometimes it is said to be the origin of the garlands). The family had good fortune thereafter. Other versions affirm that it was Santa Claus or Jesus himself who transformed the networks so that they did not bother the mother.

It is likely that the legend is related to the idea that spiders give good luck. Whatever the real reason, according to various sources, Ukrainians decorate their Christmas trees with spider-shaped ornaments (often made of precious stones) to this day

6 0
3 years ago
A rock that enters the atmosphere from space and survives to reach the ground is a(n):a.Meteor b.Asteroid c.Comet d.Meteorite
motikmotik

Answer:

D. Meteorite

Explanation:

A meteorite is a piece of meteor that survived being burnt up.

4 0
3 years ago
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