MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
In winter, when the water in the upper surface of the lake turns into ice, still aquatic animals survive because . . . . . . |
| A. | they can breathe snow |
| B. | A lot of oxygen is stored inside them |
| C. | Their body structure is such that they can live without oxygen. |
| D. | The density of water is highest at 4 °C, allowing water to remain below the upper surface of the ice. |
| Answer» E. | |