The continent completely covered with snow is Antarctica. As the coldest and driest continent on Earth, Antarctica is largely covered by ice and snow, with ice sheets that contain about 60% of the world’s fresh water.
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The structure of the continent like the English letter ‘S’ is South America. When viewed on a map, South America’s shape resembles the letter ‘S,’ with its distinctive curvature and elongated form stretching from north to south along the western ...
The two continents that present mirror images of each other are South America and Africa. This is evident when observing their coastlines, which show striking similarities in shape, suggesting a possible connection in their geological history through continental drift.
The lake that has shrank so much in the last few centuries, becoming a cause for environmental concern, is Aral Sea. Environmental degradation and water diversion for irrigation have led to its significant shrinkage, posing serious ecological and socio-economic challenges.
The largest lake of the African continent is Victoria. Lake Victoria is the largest lake in Africa by surface area and one of the largest freshwater lakes in the world, spanning approximately 68,800 square kilometers.
The sea that is landlocked is Aral Sea. Once one of the world’s largest lakes, it became increasingly landlocked due to environmental factors, primarily the diversion of its feeder rivers for irrigation, causing significant shrinkage.
The world’s largest saltwater lake, ‘Vaughan Lake,’ is located in Iran. It is an endorheic saltwater lake situated in the northwest of Iran, known for its significant ecological and environmental importance in the region.
The approximate amount of CO2 in our exhaled air is 16%. Exhaled air typically contains a higher concentration of carbon dioxide compared to inhaled air due to the release of CO2 as a byproduct of cellular respiration in the body.
The yellow color of urine is due to the presence of Urochrome. Urochrome is a pigment produced from the breakdown of hemoglobin and other blood proteins. Its presence gives urine its characteristic yellow color.
Sweating is important for to regulate body temperature. It is the body’s natural mechanism to cool down when it becomes overheated. Sweat glands release moisture onto the skin’s surface, which evaporates and helps dissipate excess heat, thus maintaining a stable ...