A. Trade
B. Cyclonic
C. Monsoon
D. Polar (more…)
What is total area of the earth?
A. 510.94 million km²
B. 492.102 million km²
C. 392.023 million km²
D. 692.192 million km²
Total area of the earth is ________ .
A. 509,600,000 Sq. Km
B. 492,102,000 Sq. Km
C. 345,999,000 Sq. Km
D. 692,192,000 Sq. Km
Which atmosphere is used for commercial aircrafts?
A. Stratosphere
B. Troposphere
C. Mesosphere
D. Thermosphere (more…)
Where ozone layer lies from the earth surface?
A. 10 to 20 km
B. 20 to 30 km
C. 30 to 40 km
D. 40 to 50 km