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Geography, 22.06.2019 19:10
One of the brightest comets of the 20th century was comet hyakutake, which passed close to the sun in early 1996. the orbital period of this comet is estimated to be about 30,000 years. find the semi-major axis of this comet’s orbit. compare it to the average sun-pluto distance and to the distance to alpha centauri, the nearest star to the sun, which is 4.3 light-years distant.
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Geography, 23.06.2019 08:30
What is the amount of organic matter in all living organisms in a habitat called?
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In a command economy, the majority of goods and services are provided by the
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Geography, 23.06.2019 18:30
Based on current rates the earths human population is expected to grow how much by 2050
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What city is 55°N 37°E...
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