What is the age of Earth?
A. 5500 Billion Years
B. 5550 Billion Years
C. 5000 Billion Years
D. 5555 Billion Years
The Earth’s rotation on its own axis is from?
A. North to South
B. West to East
C. East to West
D. South to North
The principal constituent of the atmosphere of the Earth is?
A. Oxygen
B. Carbon
C. Hydrogen
D. Nitrogen
According to the Big Bang Theory, the Universe began about ——– billion?
A. 10-20
B. 20-30
C. 30-40
D. 40-50
The bodyguard of the Earth is ————– that save the Earth from many Comets and Asteroids
A. Mars
B. Satrun
C. Uranus
D. Jupiter