The grand canyon was probably eroded during the last 6 million years. true false

The Grand Canyon is constantly being slowly eroded by the rive that flows within it, and scientist have found evidence that suggest it was cut within the last 4 million years.

all fossil fuels are nonrenewable, so think coal, gasoline, things that we will eventually run out of. all fossil fuels are nonrenewable resources, but not all nonrenewable recourses are fossil fuels. these resources are not being renewed as fast as we are using them. i hope this considering there weren't any answer choices.

b. 20: 5

explanation:

20% of the worlds population lives in southwest asia, and less than 5% of the world's

land area.