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777dan777 [17]
3 years ago
10

Why does the warm air rise up and over the cold air at a cold front

Biology
1 answer:
Alik [6]3 years ago
5 0
I think it is because the cold air is more dense than the hot air so the less dense air which is the warm air rises
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viktelen [127]
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"Antigenic Shift" is a characteristic of the causal agent of the Influenza. It is the result of a major change in the antigenic
gtnhenbr [62]

Answer:

True.

Explanation:

Antigen may be defined as the chemical that has the ability to evoke the  and immune response and can harm the living organisms. The specific antibody are produced against the immune response.

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4 0
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Jobisdone [24]

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A.

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8 0
2 years ago
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Aleks04 [339]

Explanation:

A change of the form or nature of a thing or person into a completely different one, by natural or supernatural means.

4 0
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