when need to make underground bases and we use maps to go around
cause its the end of the world
The physical systems of the earth include the lithosphere, the hydrosphere, the atmosphere and the biosphere.
The hydrosphere consists of the earth's water. Approximately 70% of the earth's surface is water. It is found in oceans, lakes, rivers ponds, ice and ground water.
The Lithosphere consists of the solid surface that covers the Earth. Features such as hills, mountains, plateaus, plains and ocean basins are land forms covering the lithosphere.
The atmosphere consists of the thin layer of gases that surround the earth and rises up to 100 miles from the earth's surface, beyond which is outer space.
The biosphere consists of all things living on the surface of the earth and includes animals and plants.
Population density is defined as the number of humans living on an unit area. It is <span>measured by the number of human inhabitants per square kilometer. It may be calculated for country, city or other territory. Netherlands is the most densely populated European country. The population density in Netherlands is 394 people per square. </span>
The correct answer is C. Composite cones. Hope this helps (:
The answer is B. climate is the general weather pattern of an area over many years.
