Geography MCQs
Important Geography MCQs with Answers for all Exams. The earth is estimated to be 4.54 billion years old. The surface area of earth is 510.1 million km². The circumference of the earth is 40,075 km. The ratio between land and oceans by area is 70.8% and 29.2%. The total area of oceans contains 361,132 million sq. km. … Read more