<span>A retrovirus is anything of a group of RNA viruses that insert a DNA copy of their genome into the host cell to replicate.
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Air is a mixture of gases and atmosphere contains different layers of these gases.So,air only forms the atmosphere.
<span>But atmosphere is not homogeneous.It contains different air masses like cold airmass,warm airmass etc.The interaction of these masses produces weather systems thus affecting the atmosphere.So atmosphere becomes turbulent sometimes because of these airmasses. even tho the atmosphere is air and air is the atmosphere meaning it allows living things to breathe
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Answer:
A virus is alive; it can respond and/or adapt to changes in the environment.
Explanation:
Herpes simplex virus 1 is a sexually transmitted virus that causes genital herpes.The herpes virus is contagious can be spread through contact with saliva, such as sharing drinks. The virus is alive and responds to changes in environment by adapting to living in body fluids.
Free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone.