Question Detail The thickness of earth Crust is about ? 25 Km30 Km35 Km40 Km Answer: Option B Similar Questions : 1. The proportion of Hydrogen to Helium in the Sun is ? 3:23:11:13:4 Answer: Option B 2. Which is the largest port of India ? Paradip PortKandla PortJawaharlal Nehru PortEnnore Port Answer: Option CExplanation:Jawaharlal Nehru Port in Mumbai is largest port of India. 3. Where do you find day and night equal ? at the equatorat the north poleat the tropicsat the south pole Answer: Option A 4. Which is the longest continental mountain range in the world ? The AndesThe AlpsThe RockiesThe Himalayas Answer: Option AExplanation:The Andes is the longest continental mountain range in the world. It is a continual range of highlands along the western coast of South America. 5. The science of study of soils is called ? SeismologyPedologyEcologyZoogeography Answer: Option B Read more from - Geography Questions Answers