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OverLord2011 [107]
3 years ago
13

How can you tell which fossil is oldest looking by at the layers of the earth

Geography
1 answer:
nalin [4]3 years ago
3 0
Whatever fossil is at the lowest layer is the oldest cuz the old fossils lived along time ago and when they died the fossils were buried.
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What gases are present in the Earth’s atmosphere and in what proportions?
babunello [35]

Answer:

Per order of the gas amount present in the atmosphere and in accordance with what was reported by the NASA we can find expressed in proportion, the following gases:

Molecular Nitrogen--------0,7808

Molecular Oxygen---------0,2094

Argon---------------------0,00934  

Carbon Dioxide----------0,00035

Neon-----------------0.00001818

Helium--------------0.00000524

Methane--------0.00000170

Krypton---------0.00000114

Hydrogen-------0.00000055

Explanation:

The Earth’s atmosphere is composed of many gases. Nitrogen is the main constituent gas, which represents around of 78% or 0,78 in proportion. Per order of the gas amount present in the atmosphere and in accordance with what was reported by the NASA we can find expressed in proportion, The following gases:

Molecular Nitrogen--------0,7808

Molecular Oxygen---------0,2094

Argon---------------------0,00934  

Carbon Dioxide----------0,00035

Neon-----------------0.00001818

Helium--------------0.00000524

Methane--------0.00000170

Krypton---------0.00000114

Hydrogen-------0.00000055

In addition of these gases, small amounts of water vapor can be present to.  

I hope it helps you

3 0
3 years ago
I need help describing a binary star system
inn [45]

Answer:

A Binary Star System is a star system consisting of only two stars orbiting around a common center.

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How does electoral geography operate in the United States? Include electorate, reapportionment, redistricting, and gerrymanderin
bonufazy [111]

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Explanation:

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Electoral college is an example of process where the executive president is elected indirectly. There are electors from various federal district as well as 50  states. The electors caste their vote only  to the winner of that popular vote.

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In addition to genealogical changes, many of the early changes in Indo-European languages can be attributed to language contact. It has been asserted, for example, that many of the more striking features shared by Italic languages (Latin, Oscan, Umbrian, etc.) might well be areal features.

Explanation:

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Hitman42 [59]

The Industrial Revolution

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