Answer:
it is 100% false hope it help have a good day go adopt a puppy :)
Explanation:
The world is round not flat cause first look image your viewing a picture of earth actually the earth is not really round its a shape called an ellipsoid which is kind of squatters and fat plus the world is round cause of the force of gravity
C cause our oceans and lake and river are huge so yeah
Answer to number 1. watershed
number 2. point 3
number 3. non point