The equinox of the Earth occurs twice a year, around March 21 and September 23, when day and night are approximately equal in length. During these times, the Sun is directly above the equator due to the Earth’s axis being ...
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The biggest country in the world by land area is Russia. It spans approximately 17.1 million square kilometers (6.6 million square miles), making it the largest country globally. Russia extends across Eastern Europe and northern Asia, encompassing a diverse range ...
A small scale map shows a large geographic area with limited detail. For example, 1 cm on the map might represent 100 km on the ground. These maps are useful for understanding broad spatial relationships and large regions, such as ...
The balance of oxygen and carbon dioxide in the atmosphere is maintained through processes like photosynthesis and respiration. Plants and algae absorb carbon dioxide and release oxygen during photosynthesis, while animals and humans consume oxygen and release carbon dioxide through ...
The Arctic refers to the polar region at the Earth’s northernmost part, including the Arctic Ocean and surrounding lands. It is characterized by ice-covered waters and polar tundra. The Antarctic is the polar region at the southernmost part of the ...
Direction refers to the orientation or path along which something moves or faces. It is commonly expressed using cardinal points (north, south, east, west) and intermediate directions (northeast, southeast, northwest, southwest). In navigation and mapping, direction helps determine the relative ...
A physical map shows the natural features of a region, including mountains, valleys, plains, and bodies of water. It uses color gradients and shading to represent elevation and terrain variations, providing a three-dimensional perspective of the landscape. Physical maps help ...
The Atlantic Ocean is shaped almost like the English alphabet ‘S’. It stretches in a sinuous pattern between the continents of North and South America to the west and Europe and Africa to the east. The Atlantic Ocean extends from ...
The Indian Ocean is approximately triangular in shape. It is bounded by the eastern coast of Africa to the west, the southern coast of Asia to the north, and the western coast of Australia to the east. This ocean covers ...
The hydrosphere encompasses all water on Earth, including oceans, rivers, lakes, glaciers, and groundwater. It plays a crucial role in regulating climate, supporting ecosystems, and sustaining life. The hydrosphere is interconnected with the atmosphere, lithosphere, and biosphere, influencing weather patterns ...