Bacteria that die in the presence of oxygen are called obligate anaerobes.
Answer:
You're going to be in the bathroom a lot, yes.
Explanation:
I don't think you want the <em>how</em>.
The vast amount of breakdown of his tooth enamel and the black discoloration, I suspect tartar and tooth decay may be the primary cause of this deterioration
<h3>Tartar</h3>
A dentist will have to remove the build-up when tartar is the cause, typically by scraping the tartar off the teeth. The dentist may have to use ultrasonic instruments that use vibration to break up the tartar and make it easier to remove.
<h3>Tooth decay</h3>
In cases of decay, it's unlikely that a dentist will be able to improve the black teeth through a simple cleaning. they're going to instead need to remove the decayed portion of the tooth.
To learn more about Tooth decay.
brainly.com/question/13584114
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