35. Only a few of the movie shown at the Gray Theater are suitable for children.
36. The couple living in the house next door are both college professors.
37. A knuckle is a point connecting a finger to the rest of the hand.
38. Antarctica is covered by a huge ice cap containing 70 percent of the earth's fresh water.
39. Only a small fraction of the eggs laid by a fish actually hatch and survive to adulthood.
40. Yuri Gagarin was the first man flying into space.