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Hace 2 días · Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses. [1] : 6 It is usually a result of human activities. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. Water pollution results when contaminants mix with these water bodies.
Hace 1 día · Internet TLD. .br. Brazil, [b] officially the Federative Republic of Brazil, [c] is the largest and easternmost country in South America and Latin America. It is the world's fifth-largest country by area and the seventh most populous, with over 205 million inhabitants.
Hace 2 días · News is information about current events. This may be provided through many different media: word of mouth, printing, postal systems, broadcasting, electronic communication, or through the testimony of observers and witnesses to events. News is sometimes called " hard news " to differentiate it from soft media .
27 de may. de 2024 · 2, less commonly 3. Inventor. Carl Benz. Invented. 1886; 138 years ago. ( 1886) A car, or an automobile, is a motor vehicle with wheels. Most definitions of cars state that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people, not cargo. [1] [2]
23 de may. de 2024 · National Association for Stock Car Auto Racing, LLC Sport Auto racing Category Stock car racing Sports car racing (IMSA) Abbreviation NASCAR Founded February 21, 1948 ; 76 years ago (1948-02-21) Affiliation ACCUS-FIA Headquarters Daytona Beach, Florida, U.S. (main) Charlotte, North Carolina, U.S. Concord, North Carolina, U.S. President Steve Phelps Peter Jung (Vice President, CMO) Chairman Jim ...
20 de may. de 2024 · Medical condition Burn Second-degree burn of the hand Specialty Dermatology, critical care medicine, plastic surgery Symptoms First degree: Red without blisters Second degree: Blisters and pain Third degree: Area stiff and not painful Fourth degree: Bone and tendon loss Complications Infection Duration Days to weeks Types First degree, second degree, third degree, fourth degree Causes Heat ...
Hace 3 días · For other uses, see Wave (disambiguation). Surface waves in water showing water ripples. In physics, mathematics, engineering, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Periodic waves oscillate repeatedly about an equilibrium (resting) value at some frequency.
