Hi the answer to this problem is C
Space that's my best guess
Answer:
The current population of earth is 7.9 billion if that is what you were asking.
Answer:
D - inhibition of host cellular enzymes
Explanation:
Side effects of antimicribial drugs (antibiotics) can include kidney damage (due to the kidney filtration system), allergic reactions to certain kinds of antibiotics as well as disruption of normal (good) microbiota (which is why many people choose to take probiotics while taking anitibiotics to keep the normal microbiota levels high).