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Snezhnost [94]
4 years ago
9

What were the ultimate extra-terrestrial sources for the rocky material, metals, and water in and on our planet?

Geography
1 answer:
andriy [413]4 years ago
3 0

Answer:

Sources of extraterrestrial rocky matter are cosmic dust and meteoroids, moon rocks.

Explanation:

  • Sources of extraterrestrial water exist exclusively in ice layers, small amounts of water vapors. Ice giants like Uranus and Neptune have supercritical water oceans beneath the clouds.
  • The presence of geysers on Saturn and Europa and Jupiter's of the moon contain vapors of water. Other glaciation evidence also helps proves the presence of oceans as the subsurface oceans came into consideration through the evidence collected from the past geological evidence.
  • Venus had the premedial oceans like oceans on mars in the northern hemisphere. Comets also consist of large parts of icy waters due to there distance from the sun.
  • The composition of iron and sulfur are the majorly two compositions of finding on the red planet of Mars.
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4 years ago
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The First Consequence of Greed is dissatisfaction and as for dissatisfaction, it destroys endeavor and enthusiasm for work, and causes the dissatisfied person to complain instead of giving thanks, and makes him lazy. Such a person abandons possessions which though few in number are licit and seeks possessions that are illicit and trouble-free.

Explanation:

Hope this helps :)

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5 0
3 years ago
What theory did the presence of iridium, an element only found in extraterrestrial objects, in geologic deposits dating to 66 my
aalyn [17]

Answer:

The presence of iridium in concentrations higher than 100 times the normal in the Cretaceous–Paleogene (K–Pg) boundary supports the Alvarez Impact Hypothesis.

Explanation:

Father and Son Alvarez argued that since iridium is present in extremely minute quantities on earth, its presence in very high concentrations in this layer which is thought to date back to 66 million years is evidence that an extraterrestrial impact took place which brought the iridium. The high destructive nature of the impact spread the iridium far and wide which deposited on the surface which is why it is present in this layer which dates back to that period.

4 0
3 years ago
he European and Mediterranean population is declining as a proportion of the total U.S. population and will be less than 50% of
neonofarm [45]

Answer: 2060

Explanation:

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3 0
3 years ago
Soil erosion is mainly due to which of the following reasons?
Ugo [173]

The correct answer is - deforestation.

Deforestation is a huge issue when it comes to soil erosion. When there's thicker vegetation the soil is in place and the erosion is minimal. This is due to the root systems of the trees, bushes, grashes, that are making a natural net inside the soil that holds it in place and doesn't allow the soil to be moved away and thus erosion to take place. But when we have a deforested landscape than the situation is the total opposite. The soil is left on its own and it doesn't have any protection from the root systems to keep in place, so with every rain it is eroding slowly and occasionally quickly when there's heavy rainfall. Most of the erosion takes place on the steeper parts.

6 0
4 years ago
Read 2 more answers
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