C-05-Q024mediumsingle_mcq
In summer, why is pond surface water hot but the bottom water cold?
In summer, why is pond surface water hot but the bottom water cold?
- aheat travels only sideways
- bheat from above warms surface water; lowered density keeps it on top, so the whole pond is not heated uniformly
- ccold water has higher density and rises
- dsunlight reaches the bottom only