Answer:
Metre. ... The metre is defined as the length of the path travelled by monochromatic light in a vacuum in 1299 792 458 of a second.
Explanation:
Answer:
Britain incurred 715,000 military deaths (with more than twice that number wounded), the destruction of 3.6% of its human capital, 10% of its domestic and 24% of its overseas assets, and spent well over 25% of its GDP on the war effort between 1915 and 1918 (Broadberry and Harrison, 2005).
Explanation:
Remote-sensing techniques have unearthed clues to the fate of settlers who mysteriously disappeared. Roanoke Colony was found abandoned without a trace of the colonists—but some researchers might have uncovered some clues.
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