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Halley's comet
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In the 18th century, Isaac Newton stated that comets, just like planets, move around the Sun. He stated that the orbits of comets were elliptical and much more eccentric than the orbits of planets.…
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Answer. Astral bodies 01
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What is the relationship between stars and galaxies?
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Final evaluation 2 - The Atmosphere
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List the names of the five main parts of the atmosphere. Explain how air density and temperature change with the increase in altitude.
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What some types of minerals are like - The Earth's Crust
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Precipitates Many minerals are formed by precipitation. This occurs when water evaporates or when dissolved substances stop being soluble and fall to the bottom of the sedimentary basin. Some of these…
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Answer. Mosses and ferns 2.4
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Explain how both mosses and ferns reproduce.
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Answer. Nematodes, annelids and molluscs 2.1
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What is the main characteristic of nematodes?
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Final evaluation 6 - The Animal Kingdom (I). Invertebrates
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Explain the function of the ambulacral in echinoderms.