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Author Question: Which of the following has emerged as one of the most pressing challenges of the early 21st century? (Read 185 times) |
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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
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Cyanide works by making the human body unable to use oxygen.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.