Question

question 20
what is the meaning of antibiotic resistance?
the high cost of producing them
their ineffectiveness against an increasing number of bacteria
growing numbers of patients who refuse to take them
the increasing cost of antibiotics

Explanation:

Antibiotic resistance refers to the ability of bacteria to withstand the effects of antibiotics, meaning antibiotics become less effective against them.

Answer:

Their ineffectiveness against an increasing number of bacteria