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Showing posts with the label caused
'External activity' caused Russian plane crashThe Russian airline Kogalymavia blamed "external activity" for its plane crash on Saturday in Egypt's Sinai peninsula in which all 224 people on board were killed.
Asteroid and comet showers caused mass extinctions on EarthMass extinctions which occurred over the past 260 million years were likely caused by comet and asteroid showers, scientists report. For over 30 years, scientists have argued about a controversial hypothesis relating to periodic mass extinctions and impact craters