A. Hypothetical region of the space
B. Hole in California
C. A sinkhole in the Lake
D. The region between the mantle and the Crest of the Earth

A. 1973
B. 1975
C. 1979
D. 1983

A. 5
B. 7
C. 8
D. 9

A. Stephen Hawking
B. Max Weber
C. Albert Einstein
D. Marry Einstein

A. Carbon and Nitrogen
B. Carbon and Oxygen
C. Hydrogen
D. Chlorine

A. Copper with zinc
B. Red bras and yellow brass
C. Zinc and nickel
D. Cormium and nickel

A. The reading on a thermometer immersed in boiling water varies as the heat increases or decreases above the boiling point
B. When a gas under high pressure is permitted to expand into a region of low pressure, it gains temperature
C. Air escaping from a punctured tire feels cold
D. None of these statements is correct.

A. the force of gravity is more at the equator than at the poles
B. the force of gravity is less at the equator than at the poles
C. the earth is almost flat at the equator
D. the equatorial radius of the Earth is less than the polar radius.

A. One part
B. Two parts
C. Three.parts
D. Five parts

A. the ice cube is the frozen form of water
B. water is more transparent than alcohol
C. ice cube is solid while alcohol is liquid
D. the ice cube is lighter than water and heavier than alcohol.