World Knowledge Online Test With Answers

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World Knowledge Online Test

Sr. # Questions Answers Choice
1 The core of the earth is mostly composed of ehat element? oxygen iron silicon magnesium
2 What is the term for the removal of groundwater from an aquifer? discharge desorption retardation base-load
3 Oceans cover how much of the earth's surface? 71 percent 75 percent  70 percent  76 percent 
4 What is the distance to the center of the earth? 3,281 miles 3,958 miles 4,254 miles  2,946 miles
5 How many miles is the circumference of the earth around the poles? 25,416 25,622 24,804 24,496
6 What is the equatorial circumference of Earth? 41,040 km (25,504 m) 40, 070 KM (24, 903 M) 40,800 km (25,353 m) 35,620 km (22,134 m)
7 Naturally occurring molten rock material generated and found within the Earth. magma lgneous rock lava sedimentary
8 Which of these 'break-ups' occur during cenozoic era? india separated from Africa greenland separated from europe australia separated from antarctica all of them 
9 Wwhen did paleozoic era begin? 2000 million years ago  540 million years ago  4 billion years ago  195 million yares ago 
10 The deepest depression on the Earth is  puerto rico trench eurasia basin java trench marianas trench
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