If a person is suffering from a severe infection caused by bacteria which solution mighr a doctor propose

Explanation:

In summary, the 6 main causes of antibiotic resistance have been linked to: Over-prescription of antibiotics. Patients not finishing the entire antibiotic course. Overuse of antibiotics in livestock and fish farming.Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply causing more harm. Bacteria can do this through several mechanisms.

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explanation:

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current