The most widely accepted theory is that the Americans (well, at the time still Asians) arrived from Northern Asia to America through the Bering Strait during the Ice Age, when the Strait was either frozen or very shallow (so they could use very primitive boats and do island-hoping).
D. 21 I believe but idk and rn just trynna put in 20 characters but yw
It's a handle that is the thing you pull to turn on the shower
Answer:
They transported water from mountains to the cities.
Explanation: Water was always important for us humans as our source of minerals and to relieve dehydration. Many people had to work at this because of that reason