Which antibiotic can be used against several anaerobic organisms? which antibiotic can be used against several anaerobic organisms?

Metronidazole i.e carbapenems.

Explanation: Antibiotics that tends to be effective in treating anaerobic bacterial infections are metranidazole the carbapenems. This antibiotic is usually reserved for treating multiple drug resistant bacteria becase it able to fight off high-risk infections. It works by inhibiting bacterial cell wall synthesis, using a mechanism similar to that of penicillin.

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.