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rusak2 [61]
3 years ago
7

Components in exhaled and inhaled air​

Biology
1 answer:
umka21 [38]3 years ago
5 0

We inhale air that is comprised of roughly 78 percent nitrogen and 21 percent oxygen, as well as a trace amount of other gases.

When we exhale, the components are the same, they just come out in different amounts. Exhaled air is made up of about 78 percent nitrogen, 18 percent oxygen, and four percent carbon dioxide, excluding those trace gases.

TL;DR

Inhaled: 78% Nitrogen, 21% Oxygen, 1% Other Gases

Exhaled: 78% Nitrogen, 18% Oxygen 4% Carbon Dioxide

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In a hypothetical population of plants, flower color is determined by a single gene with two alleles. In a population of 500 pla
blondinia [14]

Answer:

In the F1 generation

RR = 0%

Rr = 50% (or 0.5)

rr = 50% (or 0.5)

Explanation:

A pink flowering plant has the genotype Rr. It is heterozygous for the allele. The alleles for this gene appears to show incomplete dominance, as the heterozygous phenotype is a blend of the two homozygous genotypes.

A white flowering plant has the genotype rr. It is homozyogous for the white allele

A punnet square of the cross is shown.

The resulting punnet square shows that only Rr and rr genotypes are possible, at a ratio of 50:50 (or 1:1). Therefore, the genotype frequency of Rr is 50%, and rr is 50% in the F1 generation. This can also be written as 0.5. It is not possible to get a red plant, as the genotype RR can not come from this cross

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8 0
3 years ago
At 88 meters (289 feet), Landscape Arch is the longest natural arch in Arches National Park in Utah. Many geologists believe it
kirill115 [55]
<h2><u>Answer:</u></h2>

The recreation center is adjoining the Colorado River, 4 miles (6 km) north of Moab, Utah. In excess of 2,000 common sandstone curves are situated in the recreation center, including the notable Delicate Arch, just as an assortment of one of a kind land assets and developments.

A characteristic curve, regular scaffold, or (less usually) shake curve is a characteristic shake development where a curve has framed with an opening underneath. Regular curves ordinarily shape where inland bluffs, waterfront precipices, blades or stacks are liable to disintegration from the ocean, streams or enduring (subaerial forms).

4 0
3 years ago
Read 2 more answers
Several cities have now banned __________, which are a type of fat.
Furkat [3]
The correct answer is "trans fatty acids".

Trans fatty acids (colloquially as trans fats) are a type of unsaturated fatty acids wherein instead having its double bonds in the cis configuration giving the fatty acid "kinks" in the molecules making it more soluble; the double bonds in trans fats are in the trans configuration (hence the name) and this will not give the molecule kinks making it less soluble. Less soluble trans fats are notorious in depositing in peripheral arteries as well as in coronary arteries that increase the risk for developing atherosclerosis. 
4 0
3 years ago
In small populations gene frequencies can change drastically by chance alone this is called
romanna [79]
When a small populations' gene frequencies are changed drastically by chance alone it is called a genetic drift

7 0
4 years ago
N2 + 3H2 → 2NH3 in this equation How many moles of NH3 can be made if 7.5 moles of H2 react with enough N2
Lena [83]

Answer:

5 moles of ammonia would be formed.

Explanation:

Given data:

Moles of NH₃ formed = ?

Moles of H₂ react = 7.5 mol

Solution:

Chemical equation:

N₂ + 3H₂       →    2NH₃

Now we will compare the moles of ammonia with hydrogen.

             H₂              :           NH₃

              3               :             2

             7.5             :          2/3×7.5 = 5

5 moles of ammonia would be formed from 7.5 moles of hydrogen.

7 0
3 years ago
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