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8 godz. temu · The size of Africa compared to the other continents. Africa is the world's second largest and second-most populous continent after Asia.At about 30.3 million km 2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surface area. With 1.4 billion people as of 2021, it accounts for about 18% of the world's human population.
8 godz. temu · Mass near the M87* black hole is converted into a very energetic astrophysical jet, stretching five thousand light years. In physics, mass–energy equivalence is the relationship between mass and energy in a system's rest frame, where the two quantities differ only by a multiplicative constant and the units of measurement. The principle is described by the physicist Albert Einstein's formula: =.
8 godz. temu · The first ten amendments, known collectively as the Bill of Rights, offer specific protections of individual liberty and justice and place restrictions on the powers of government within the U.S. states. The majority of the 17 later amendments expand individual civil rights protections. Others address issues related to federal authority or ...
1 dzień temu · Another major cost on tickets in the UK is VAT (value added tax). At 20%, it's pretty hefty. It was brought down to 5% and then 12.5% as the live music industry was hampered by COVID, but returned ...
