Question

How will the Grand Canyon most likely look in one hundred years?


It will look the same because the processes that are forming it occur over a long time scale.


It will look different because the processes that are forming it occur over a short time scale.


It will look the same because the processes that are forming it occur over a short time scale.


It will look different because the processes that are forming it occur over a long time scale.

Question 16.



Which pair of processes is responsible for the formation of a canyon?


erosion and sedimentation


deposition and weathering


weathering and erosion


sedimentation and deposition

Answer 1

1) It will look the same because the processes that are forming it occur over a long time scale.

2) weathering and erosion

Explanation (brief): Canyons like the Grand Canyon form mainly by weathering (breaking rock) and erosion (river removal) over millions of years, so little visible change occurs in just 100 years.