You should write out y=mx+b and then plug in 1/4 to the m and then plug in the x and numbers to solve for b
1) Mass
2) I’m not exactly sure but I do know mass also determines the overall lifespan of a star
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