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olya-2409 [2.1K]
4 years ago
12

What is the relationship between exposure to a virus and developing an immunity to it

Chemistry
1 answer:
Burka [1]4 years ago
3 0

Answer:

an exposure to a virus is actually having the virus and developing an immunity to a virus is similar because to be immune to a virus you have to receive a vaccine and a vaccine is actually the disease injecting into your system in a different way so when the virus attacks you your body cells know what to do to fight the disease.

Explanation:

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Which of the following best describes the kinetic theory?
quester [9]

Answer:

Atoms and molecules are always moving or vibrating.

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3 years ago
How does compressed air push back?
strojnjashka [21]

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In an air compressor, a rotor spins, causing a piston to move up and down. When the piston goes down, freestanding air is pulled into a chamber. Then, the air is compressed and forced back outward as the piston rises back up.

Explanation:

3 0
3 years ago
How large a volume is needed to contain 21 germs of sliver
Tema [17]

Density is a physical property of a substance that represents the mass of that substance per unit volume. It is a property that can be used to describe a substance. We calculate the volume as follows:

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Hope this answers the question. Have a nice day.

5 0
3 years ago
Which metal is more active than NI and less active than Zn?
Mademuasel [1]

Answer : The correct option is, (2) Cr (Chromium)

Explanation :

The reactivity series of metal are arranged of the reactivity from the highest to the lowest. Reactivity series is used to determine the products of the single displacement reactions. In the single displacement reaction, the most reactive metal displaces the least reactive metal.

From the given reactivity series we conclude that there are two metal (Mg and Cr) are more reactive metal than the Ni and there are two metal (Pb and Cr) are less reactive metal than the Zn. So, the Cr (Chromium) is the metal which is more active than Ni and less active than Zn.

Hence, the correct option is, (2) Cr

7 0
4 years ago
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How is the electronegativity trend related to the first ionization energy trend?
nataly862011 [7]

D. Electronegativity and first ionization energy both increase as you

move up the periodic table.

4 0
3 years ago
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