General khowalge about world geography #2
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✓ mariana trench is the deepest part of the earth.
✓ Earth surface divided in seven continents.
✓ Asia ( 44391162sq.km ) area of the earth and is the largest continent
✓ Asia have 30% comprises of the earth land area
✓ Africa is the second largest continent of the earth
✓ 30365700 sq.km is the area of Africa