<span>One group is given a larger dosage than is typically prescribed.
A second group is given a smaller dosage than is typically prescribed
Then results of the groups are compared to each other.
The thing that is missing in this experimental design is a third group who are tested with the typical dosage.</span>
Answer: rising sea levels, increased agricultural productivity worldwide, increased storm frequency and intensity, worsening health disease and their impacts
Explanation:
The correct answer is a trisomy. Hope this helps.