MCQOPTIONS
Saved Bookmarks
| 1. |
When fluids are heated from the bottom, convection currents are produced because [UPSEAT 2000] |
| A. | Molecular motion of fluid becomes aligned |
| B. | Molecular collisions take place within the fluid |
| C. | Heated fluid becomes more dense than the cold fluid above it |
| D. | Heated fluid becomes less dense than the cold fluid above it |
| Answer» E. | |