Answer:
Where's the full question?
Explanation:
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>
D) laboratory experiments because every experiment needs a control and a variable.
Carbon levels will go up because trees store carbon
Answer:
I'm pretty sure the answer is natural selection.
Explanation:
Natural selection acts on phenotypic variations in populations.
