I.
Define the following:-
1. Ores
2. Fossils
3. Minerals
4. Plan
5. Grid
6. Projection
7. Fold mountains
8. Island
9. Isthmus
10. Ocean
Answers
1 a naturally occurring mineral containing a valuable constituent (such as metal) for which it is mined and worked.
2Fossils are the remains or traces of ancient life that have been preserved by natural processes.
3 A mineral is a naturally occurring inorganic solid, with a definite chemical composition, and an ordered atomic arrangement.
4 noun. a scheme or method of acting, doing, proceeding, making, etc., developed in advance: battle plans. a design or scheme of arrangement: an elaborate plan for seating guests. a specific project or definite purpose: plans for the future.
5 an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube.
6 A formal two-dimensional representation of a three-dimensional molecular structure obtained by projection of bonds (symbolized as lines) onto a plane with or without the designation of the positions of relevant atoms by their chemical symbols.
7 Fold mountains are created where two or more of Earth's tectonic plates are pushed together, often at regions known as convergent plate boundaries and continental collision zones.
8 Island, any area of land smaller than a continent and entirely surrounded by water. Islands may occur in oceans, seas, lakes, or rivers. A group of islands is called an archipelago.
9 An isthmus is a narrow strip of land that connects two larger landmasses and separates two bodies of water.
10 the whole body of salt water that covers nearly three fourths of the earth. 2 : one of the large bodies of water into which the larger body that covers the earth is divided.
please mark me brain mark list
Ores- iron gold etc
Fossils - dead animals and plants
Minerals - in water
Island - land surrounded by sea
Ocean - like sea , lots of water