2. Bund: A bund is an artificial dam or embankment or a small ridge between rice fields. The term was adopted by the British while in India and is used here extensively.
3. Cold Desert: The term cold desert is generally used as a synonym for Tundra and polar regions where plants and animals life is inhibited by extremely low temperatures and physiological drought.
5. Fossil: Fossils are the remains of a plant or animal preserved in sedimentary rocks. Rocks of a similar age and dispositional environment posses similar fossil.
6. Ice-Cap: A permanent and often isolated mass of ice, which is smaller than an ice-sheet or an ice field, is called ice-cap.
7. Moraine: Moraine refers to an accumulation of rocks, boulders, pebbles and clay by a glacier or ice-sheet.
8. Nekton: Nektons are actively swimming marine organisms near the ocean surface. They have the ability to move against tides and currents.
9. Pyrometer: Pyrometer is an instrument used for measuring the temperature of molten lava.
10. Relative Humidity: Relative humidity is the ratio between the amount of water vapour actually present in an air mass and the maximum amount that the air could hold at that temperature. It is expressed as a percentage.