The Sun’s mass is mainly consist of which of the following?
A. Hydrogen
B. Nitrogen
C. Carbon dioxide
D. Silicon (more…)
Earthquakes occur most frequently at __________?
A. Plate boundaries
B. Plate surface
C. Ocean beds
D. All of the above (more…)
The longest river of Asia is:
A. The Indus
B. The Ganges
C. The Yangtze or Chang Jiang
D. None of the above
The largest and most important river in North America is:
A. The Nile
B. The Mississippi
C. The Danube
D. The Indus
Which country suffered from Tropical storm Humberto on 14 Sep. 2019, that was already hammered by Hurricane Dorian two weeks ago?
A. USA
B. Canada
C. Bahamas
D. Cuba
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
The lowest part of the earth is :
A. Mariana Trench
B. Dead sea
C. Death valley
D. Lake Eyre
Earth has an equatorial circumference of ________ .
A. 24,902 miles
B. 34,902 miles
C. 44,902 miles
D. 54,902 miles