What is Dry Ice?
		A. Solid Oxygen
B. Solid Carbon Dioxide
C. Solid Hydrogen
D. Solid Nitrogen
		A. Solid Oxygen
B. Solid Carbon Dioxide
C. Solid Hydrogen
D. Solid Nitrogen
		A. 63
B. 12
C. 19
D. 13
Short-sight defect could be corrected by a _____________ lens?
A. concave lens
B. convex lens
C. converging lens
D. none of these
ALSO CHECK: Long-sight defect could be corrected by using __________ lens?
The distance of mercury from sun is__________?
A. 56 million km
B. 57.9 million km
C. 58.9 million km
D. 59.1 million
Which of the following is the largest planet?
A. Neptune
B. Jupiter
C. Saturn
D. Mars
A. Increasing the length of the rod
B. Increasing the weight of the bob
C. Reducing the length of the rod
D. Reducing the weight of the bob
A. more are from the father
B. more are from the mother
C. there are an equal number from each parent 
D. there is never a constant number from the parents