A natural object in space such as a star or planet
The collecting, compiling and publishing of statistics about a population (usually done every ten years)
The average condition of the weather that exists over an area for a long period of time
The average condition of the weather that exists over an area for a long period of time
The border of land next to the surface
Objects of frozen gases, cosmic dust and small rocks that travel in an orbit around the sun
Process of transmitting information from one person to another or from one device to another
The careful and wise management of earth's resources
A large landmasses not broken up by seas
Working together with others for a common purpose
The dense inner most part of the earth
The surface or top layer of the earth
The way of life of a group of people, including government, language, beliefs, traditions and customs
The first light of daybreak
The cutting down and clearing of trees from forests