Answer:
b
Explanation:
800 y por los eruditos musulmanes
(800 and by Muslim scholars)
The main reason is that the USA is in the Northern Hemisphere & Australia is in the Southern Hemisphere. It has all to do with the tilt of the earth as it revolves around the Sun. Summer happens in the hemisphere tilted towards the Sun, and winter happens in the hemisphere tilted away from the Sun.
It is the theory that the landscape around took years to be made by nature so in another few years it could make new landscapes appear.
I’m pretty sure it is the p:false