Explanation:
The Neanderthals are known to have occupied ten sites on the Gibraltar peninsula at the southern tip of Iberia, which may have had one of the densest areas of Neanderthal settlement of anywhere in Europe, although not necessarily the last place of possible habitation.
I would say spell it out. See below:
How many %'s are in one-hundred?
How many percents are in one-hundred?
When you spell it out it looks more professional, and it also makes your sentence seem longer.
Answer:D
Explanation: I believe the answer is D
What do mean by confluence