| 31. | Carbon is also found in methane hydrates in polar regions and under the seas.
|
| 32. | There are also birds that breed in the polar regions.
|
| 33. | The south polar region is apparently darker than the north.
|
| 34. | Polar stratospheric clouds form at very high altitudes in polar regions of the stratosphere.
|
| 35. | He ruled out wildlife from polar regions, however, as unrealistic.
|
| 36. | The spacecraft will spend four years studying Saturn's rings, polar regions and equatorial zones.
|
| 37. | Once they hit the cold polar regions, the contaminants settle.
|
| 38. | They occur all over the Americas except in polar regions.
|
| 39. | The lander was making the first attempt to reach the polar region of another world.
|
| 40. | The water could come from a huge ice lake discovered in the south polar region.
|
