B is the nucleoid
D is Ribosomes
Hope this helps :)
Answer:
Ozone
Explanation:
Ozone is considered a pollutant in the troposphere, but in the stratosphere it is essential to life on earth because it absorbs biologically harmful UV radiation. The mesosphere and the thermosphere are two additional atmospheric layers above the stratosphere.
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<span> It is called the proglottid. </span>
Answer:
i'd recommend rereading it
Explanation:
