Question Detail Thickness of Mantle Layer is about ? 2900 Km3100 Km3300 Km3500 Km Answer: Option AExplanation:Mantel Layer is below the Crust layer of earth. Similar Questions : 1. Havana is capital of which country ? CyprusCubaFinlandGhana Answer: Option BExplanation:Capital of Cyprus is Nicosia. Capital of Finland is Helsinki. Capital of Ghana of Accra. 2. Diameter of Sun is ? 12 Lakh kms13 Lakh kms14 Lakh kms15 Lakh kms Answer: Option CExplanation:"Size of sun compared to Earth" : Sun is thirteen lakh times as that of Earth. 3. Which river is also known as Yellow River ? Hwang–HoAmazonDamodarCauvery Answer: Option A 4. Sahara desert is in which Continent ? AsiaAfricaAustraliaEurope Answer: Option BExplanation:Deserts of Asia are : Arabian desert, Thar Desert, Gobi Desert. 5. Which country has the largest coast line ? USA BrazilAustraliaCanada Answer: Option D Read more from - Geography Questions Answers