Answer:
all but option b is incorrect as in your list
How this can be prevented/can vaccines help?
What age group is at risk?
Could it be lethal?
Why does this virus happen?
You only need 1 social connection a day
Answer:
I would say it is E.
Explanation:
because fish, penguins, and dolphins are aquatic animals. It can't be A. because if it were vestigial it would be useless. It can't be B even though it does seem like the right answer because the are all aquatic. It can't be C. because it would been that the same species would have the same niche which is not possible. It can't be D. because every organism is evolved from a common ancestor.
