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balandron [24]
3 years ago
9

Antigen processing and presentation antigen processing and presentation is a way for a cell to give information about its activi

ties. is the way foreign cells engulf macrophages. is only accomplished by bacterial cells. is a way for viruses to infect cells.
Biology
1 answer:
vova2212 [387]3 years ago
7 0
Is a way for a cell to give information about its activities.
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Two cities are separated by 200 miles. City X has an altitude of 122 meters and City Y has an altitude of 260 meters. Calculate
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Answer: 0.69 m/ mile.

Explanation:

The altitude gradient between two cities X and Y = \dfrac{\text{Altitude of City Y - Altitude of city X}}{\text{Distance between two cities}}\times100\%

Given: Two cities are separated by 200 miles.

City X has an altitude of 122 meters.

City Y has an altitude of 260 meters.

The altitude gradient between two cities X and Y =

\dfrac{260-122}{200}=0.69\text{m/ mile}

Hence, the altitude gradient between the two cites = 0.69 m/ mile.

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The additional questions are listed in the explanation

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