Question: A mighty river flows through an area for millennia. Afterwards, it can be noted that where there once were shallow rivers, there are now
Choices:
text: massive canyons
label: A
text: large bricks
label: B
text: old socks
label: C
text: small creeks
label: D
Answer: A
Fact: most canyons are formed by flowing rivers through erosion over long periods of time