Introductory World - Read Mode
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Explanation
Populations in tropical regions, near the equator, historically developed darker skin with more melanin to protect against high levels of ultraviolet radiation.
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Fog is a colloid of water droplets suspended in the air near the ground. It is not considered precipitation because it does not fall from the sky like rain, snow, or hail.
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Ferdinand Magellan led the expedition that first circumnavigated the globe (1519-1522). Although he died during the voyage, his expedition proved the Earth was round.
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Iran is not an Arab country; the majority of its population is Persian, and the official language is Farsi, whereas Arab countries speak Arabic.
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The 38th parallel north is the circle of latitude that roughly demarcates the border between North Korea and South Korea.
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A meander is a winding curve or bend in a river. It is formed by the erosion of the outer bank and deposition on the inner bank.
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Himalayan rivers are snow-fed (perennial). They receive water from melting snow and glaciers in the mountains as well as from rain, ensuring they flow year-round.
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The Cape of Good Hope is a rocky headland on the Atlantic coast of the Cape Peninsula in South Africa. It was a major landmark for sailors traveling to the East.
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The Rhine Valley (specifically the Alsace region of France) is known for deposits of Bauxite and Potash. Bauxite is the primary ore of aluminum.
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The Panama Canal connects the Atlantic Ocean and the Pacific Ocean. It cuts through the Isthmus of Panama and is a key conduit for international maritime trade.