Earth is one of the planets in solar (1)............... the third in distance from the sun and the fifth (2)......... Of the planets in diameter. The mean dista

Earth is one of the planets in solar (1)............... the third in distance from the sun and the fifth (2)......... Of the planets in diameter. The mean distance of the earth from the sun is 149,503,000 kms. It is the only planet known to support life, altough some of the other planets have (3)........... and contain water. The earth is not perfect (4)......... but it is slightly pear shaped. Calculacion based on perturbation in the orbits of artificial satellites reveal that the earth is an (5).......... sphere,because the north pole bulges 10m; and the south pole is depressed about 31m

1. A.system
B.cycle
C.eclips
D.sell
2. A.largest
B.biggest
C.smallest
D.furthest
3. A.air
B.spaces
C.atmospheres
D.creatures
4. A.ball
B.round
C.Circle
D.sphere
5. A.perfect
B.imperfect
C.right
D.uncomplete