I believe the answer is <span>c. absorption
</span>The phase of pharmacokinetic that happens in the intestine is when the drug absorbed. A person with old age will have lower intestine motility. This will increase the transit time which will increase the amount of drug absorbed.
Age could also influence others pharmacokinetic parameter(<span>excretion, distribution, metabolism) but it is related with another organ, not intestine.</span>
The answer is C. mycorrhizae.
Hope that helped you.
Tentative means possible
So a possible explanation of any matter on whuch you are working will be called astentative explanation which may be correct or incorrect
