Answer: Teritiary sector employment can likey increase in urban areas because, urban areas have larger population witch means that there would be more jobs to support them.
That would be 75% of Earth's atmosphere.
Ontario with 13.6 million
While the second most populated area in Canada is Quebec with 8.215 million
My point of view is if you were living waaayyyyy back then
positive:
- fresh water
- food
- fertile soil
- trading
- easier travel
- can connect cities
negative:
- flooding
- vulnerable to invasions
- water could dry up
- seasonal changes