What's this?
It's a mountain.
Describe the desert: It's _ _ _.
dry.
Describe the mountain: It's _ _ _ _.
high.
What's this?
It's a desert.
What's this?
It's a waterfall.
What's this?
It's an ocean.
Describe the river: It's _ _ _ _
wide
What's this?
It's a lake.
Describe the ocean: It's _ _ _ _.
Deep.
What's this?
It's a river.