Petrochemicals include many things, I would say All of the above. Hope this helped! :)
A commensal bacterium does not infect its host, which is option D. Details about commensalism can be found below.
<h3>What is commensalism?</h3>
Commensalism is a kind of relationship that involves the sharing of the same environment by two organisms where one species benefits and the other is unaffected.
For example, barnacles on whales is a commensalistic relationship.
According to this question, a commensal bacterium will not affect or harm it's host by infect it neither will it benefit its host.
Learn more about commensalism at: brainly.com/question/14224704
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They can’t live in dry areas because fungi need to be able to trap moisture since their broad tops can dry out
<span>The muscle at the end of the esophagus is not able to close, which allows stomach acid and digested food to go back up into the esophagus. </span>