What is the breathing rate of human being body?
What is the breathing rate of human being body?
		A. 15-11 minutes
 B. 16-20 minutes
C. 25-26 minutes
D. 32-35 minutes
What is the breathing rate of human being body?
		A. 15-11 minutes
 B. 16-20 minutes
C. 25-26 minutes
D. 32-35 minutes
Laughing gas has chemical composition of following two elements ?
		A. Nitrogen + Hydrogen
B. Nitrogen + Carbon
C. Nitrogen + Oxygen
D. Oxygen + Carbon
E. None of these
Approximately how many Galaxies are there ?
		A. 10 Billion Galaxies
B. 100 Billion Galaxies
C. 1000 Billion Galaxies
D. 10000 Billion Galaxies
Spring tides occur on new moon and full moon days because on these days_____________?
A. Sun, moon and earth are in a straight line
B. Sun and earth are at right angles
C. Sun and moon are at right angles
D. Earth and moon are at right angles
		A. Rain
B. Snow
C. Smog
D. None of these