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Digiron [165]
3 years ago
5

2. What happens to the spectral lines of a star

Biology
1 answer:
Lelu [443]3 years ago
5 0

Answer:

A. The light waves squeeze together increasing wavelength

Explanation:

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frozen elephant trunk for aortic arch reconstruction is associated with reduced mortality as compared to conventional techniques
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To compare the perioperative results of frozen elephant trunk (FET) vs. traditional elephant trunk (ET) procedures for aortic arch repair. 390 individuals had aortic repair with elephant trunk reconstruction between 2002 and 2018 at 9 facilities: Aortic dissection affected 37% of patients who received a FET (mean age: 65+/-13 years, 30% female), while 43% of patients who received an ET (mean age: 63+/-13 years, 37% female) experienced aortic dissection. In-hospital mortality, stroke, and spinal cord injury were among the outcomes of interest (SCI).

<h3>What is Aortic arch ?</h3>

The top portion of the principal artery sending blood away from the heart is known as the aortic arch. A combination of symptoms and signs known as aortic arch syndrome are linked to anatomical issues in the arteries that branch off the aortic arch. The valves, chambers, and accompanying vessels that make up the heart's interior.

<h3>What is conventional techniques ?</h3>

Conventional methods assess the long-term heat stability of polymer products at temperatures below their melting points, for instance, through accelerated aging in "circulating air ovens" until degradation effects like discolouration and embrittlement become apparent.

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7 0
1 year ago
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NikAS [45]

Answer:

1. Meanders

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7 0
3 years ago
Genes can be turned on or turned off; not all genes are active at one time. True False
SVETLANKA909090 [29]
I think True, sorry if i'm incorrect :(
3 0
3 years ago
What was the impact of the use of fossil fuels during the industrial revolution?
IrinaK [193]

Impact of the use of fossil fuels during the industrial revolution was it made possible a huge increase in the amount of productive energy available to humans.

The development of machines, including steam engines and the internal combustion engine, made it possible to exploit vast new resources of energy stored in fossil fuels, specifically coal and oil. The fossil fuels revolution greatly increased the energy available to human societies during industrial revolution.

Contrary to this fossil fuel have some disadvantages like when fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air. Greenhouse gases trap heat in our atmosphere, causing global warming.  

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brainly.com/question/2582135

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1 year ago
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erastovalidia [21]

I don’t know, I’m sorry.

6 0
3 years ago
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