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Brums [2.3K]
3 years ago
11

What has happened to the population since 1997 of the West Nile Virus?? will mark as brainliest

Biology
1 answer:
NeX [460]3 years ago
7 0
West Nile lead to a decline in susceptible avian and human hosts, with a subsequent decline in the number of cases since 1997
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Why does the enzyme pepsin (present in the stomach) denature in the intestine?
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I think the correct answer from the choices listed above is the second option. The enzyme pepsin that is present in the stomach denature in the intestine due to the alkaline environment of the intestine. This is because pepsin has an optimum pH that is very low which is ideal for the acidic conditions of the stomach. 
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3 years ago
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Which best blocks X-ray particles and can therefore be observed more closely through the use of this technology?
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Answer:

The correct answer would be bones.

X-rays are high energy electromagnetic waves which have an ability to penetrate most of the biological tissues.

In the X-ray machine, a beam of high energy X-rays is passed through the filters and subject and then fall on the detector or photographic film to produce X-ray.

Dense tissues like bone, teeth, tumors et cetera blocks or stops most of the X-ray particles from reaching the detector or photographic film.

It forms glowing pictures on the X-ray film or photographic film.

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GRAVITATIONAL..... A PIECE OF FRUIT HANGING.....

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THERMAL... SAND ON BEACH FEELS....

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2 years ago
Some infants cannot synthesize several of the traditionally nonessential amino acids. These amino acids must be obtained from th
Pani-rosa [81]

Answer:conditionally essential amino acids

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