Movement of people from one place to another
Substances found in the Earth obtained by mining
Hazards that occur as a result of disturbance in nature , for example hurricane and earthquake
Materials from the environment that people use to carry on their daily lives
Plants of a country that were not planted by anyone
People having no permanent home , but moving constantly in search of food
Materials from the Earth's crust that cannot be re-cycled or replaced within a specific period of time
A vast stretch of salt water which covers the greater part of the earth 's surface
The path that one body follows as it revolves around another body in space
A layer of gas high above the earth's surface that protects the earth from the harmful ultra-violent rays of the sun
Extending in the same direction and equal distance apart
The natural land form of a place such as : Mountains , hills, rivers, plains, valleys and plateau
Very large areas of level or flat land
Heavenly bodies that move move around the sun in an elliptical path called its orbit
Rigid sheets of earth's rock forming earth's crust and upper mantle