What is the capital of Mongolia

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Blank is a naturally occurring gas that's found in most soils and rocks and can cause lung cancer

The causes of the failure of the league of nations

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a.light in water b.light in vacuum c.sound in air. d. sound in water