Correct option is A
Analysis:
- Canal: A man-made waterway used for transportation or irrigation.
- River: A naturally flowing stream of water moving toward a sea, lake, or another river.
- Waterfall: A natural feature where water flows over a vertical drop.
- Pond: A small, still body of water, usually formed naturally or artificially.
Odd One Out:
The Canal is the odd one because it is man-made, whereas the other three (River, Waterfall, Pond) are natural water bodies.
Answer:
A. Canal