They would use a fish sauce
That would depend on what you want to dip into the sauce.
Triple dipping to me would be dunking your breadstick into the sauce three times, thereby adding your germs to the container of sauce. Considering the topic of this Q, triple dipping would be dunking the metaphorical breadstick 3 times into someone else's sauce container.
Ancient Greeks
The ancient Greeks did not possess gunpowder. So the answer is no.
The ancient Greeks would use the water for bathing, and beverage. I'm not quite sure about the current Greeks though. If I find out I'll let you know ASAP
Through agriculture, mining and trade.
The Ancient Greeks did a long and complicated ceremony for worshipping their god, Zeus. First they would find fruits from a tree near by, and chop them up. then they would make pie.
The ancient Greeks had their own system of numeracy but would have known about the Roman system of numeracy
Without them the ancient Greeks would not have been able to start the Olympics.
No because if not for the Greek we would not have the architecture we do today.
Because the ancient Greeks believed they would earn respect and the gods would bring them good fortune.
The ancient Greeks didn't worship diameter, but Demeter (Δήμητρα in Greek) , who was the godess of agriculture.