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Fofino [41]
3 years ago
13

I need help plz and thx

Biology
1 answer:
Komok [63]3 years ago
7 0

Answer:

If the Earth weren't tilted on its axis, there would be no seasons. And humanity would suffer. When a Mars-size object collided with Earth 4.5 billion years ago, it knocked off a chunk that would become the moon. It also tilted Earth sideways a bit, so that our planet now orbits the sun on a slant.

Explanation:

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A fossil is found to have a 14c14c level of 73. 73. 0 ompared to living organisms. how old is the fossil?
AnnyKZ [126]

If the 14C level of fossils is 73% compared to living organisms. It will be 2602 years.

<h3>What is radiocarbon dating? </h3>

This method is used to estimate the relative age of carbon-based materials. This is done usually for fossils which originate from living organisms.

This age is estimated by estimating the percentage of carbon-14 isotopes in the fossil. This is done by comparing this percentage to a reference standard used internationally. This method is of tremendous use in palaeontology. It has also found its use in hydrology, oceanography, geology etc.

Fossil age is determined by

At = (Ao) x (1 - 0.5)^(t/h)

Here, At/Ao = 0.73

So, 0.73 = 0.5^(t/5730)

Therefore, t = 2602 years

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What is the result of telophase 1 and cytokinesis?
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The result of Telophase 1 and Cytokinesis is two haploid daughter cells that are genetically different from the original cell.

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3 years ago
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How to get food coloring out of water without chemicals?
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All matter whether solid, liquid, gas has a chemical formula or elemental symbol.
Filtration may work, there are many types of filters capable of filtering specific types if compounds.
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