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Dmitry_Shevchenko [17]
3 years ago
13

If you do intense exercises can you run out of oxygen why or why not?

Biology
1 answer:
olasank [31]3 years ago
4 0

Explanation:

Oxygen does not enter the body except due to some diseases and loss of consciousness, and then the patient uses a ready-made ventilator

(viewpoint)

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The pattern of _______ in an area over a long period of time is called _______. A. climate, weather B. weather, rain C. climate,
Aleks [24]

option D..

Weather then climate.

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4 0
3 years ago
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A scientist is using relative dating to determine the age of a fossil that she discovered. What would allow her to draw the best
xenn [34]

answer:

: D.finding fossils in the same area that are in layers closer to the surface.

Relative dating refers to the age estimation method in which past events are determined, to compare the age of object, organism, strata or rock with the age of other similar entity. This method gives an approximate or estimated age, it does not provide absolute age.  

The older fossils are found in deeper layers of the strata as compared to younger fossils. This represents the geological time and life span of primitive or preexisting organisms. Therefore, according to the given situation, finding fossils in the same area that are in layers closer to the surface is the best conclusion

8 0
3 years ago
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In the peppered moth scenarios what is the variation? And the selection?
Morgarella [4.7K]

Variation is number of alleles for the wing color of the peppered moths. The wing color ranges from pure white to pure back.

Selection pressure is predation by birds.

Explanation:

In the wake of the industrial revolution, white-winged peppered moths had a large allelic frequency in the population compared to black-winged peppered moths. However, when the environment changed due to soot produced by industries (making the environment darker) white-winged peppered moths reduced while that of black moths increased.

This is because black moths were able to blend in and camouflage in the dark environment than white-winged peppered moths that stood out to their predators. Black moths, therefore, had an increased chance of reaching adulthood and passing their genes to the next generation. This increased the allelic frequency of black-winged peppered while that of white-winged moths reduced in the population.

Learn More:

For more on natural selection of peppered moths check out;

brainly.com/question/12918325

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8 0
3 years ago
Arachidonic acid is the raw material for synthesis of
RUDIKE [14]

Answer:

The correct answer is E. Arachidonic acid is the raw material for synthesis of eicosanoids.

Explanation:

Arachidonic acid is an essential omega-6 fatty acid formed by a 20-carbon chain with four double bonds. The presence of double bonds causes this molecule to have several sites that can be oxidized, allowing the formation of different lipids with different biological activities.

Arachidonic acid is part of phospholipids in cell membranes, and is the precursor of eicosanoid biosynthesis. Arachidonic acid can be synthesized from linoleic acid, one of the essential fatty acids required by most mammals.

7 0
2 years ago
Why might it be a good idea to wash your hands more often when somebody in your family is sick ?
denis-greek [22]

Answer: to reduce the risk of the vires  spreading so people dont get sick and oof.

Explanation:

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3 years ago
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