1) Seawater contains a) 97.3% of salt b) 2% of salt c) 0.68% of salt d) 0.973% of salt 2) Which of the following is not a densely populated area ? a) Plains b) Rugged Topography 3) 2.The process of creating new land by raising the elevation of a waterbed is known as: a) Afforestation  b) Land Reclamation 4) 3.How much of the Earth’s surface is covered with land ?  a) 40 % b) 30 % c) 25 % d) 33 % 5) Which practice has been adopted to stop the over-exploitation of nature ?  a) Afforestation b) Overgrazing 6) 5.A country must possess ____of its total area under forest.  a) 33 % b) 23 % c) 37 % d) 45 %

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