Pretty sure it's B. Conjugation because that is a form of sexual reproduction in the reproduction of prokaryotes.
Petrochemicals include many things, I would say All of the above. Hope this helped! :)
Answer:
<em>The tyres of car wear out gradually, due to the frictional force. Frictional force arises between two objects when they move over one another. In the given cases it arises between the tyre and the surface which it is travelling on.</em>
Answer:
<em>Involuntary </em><em>physiologic</em><em> </em><em>processes</em>
D) Natural Gas i think is correct sorry if im wrong
