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Chemistry, 22.06.2019 05:00
Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
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Chemistry, 22.06.2019 07:00
Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils
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Chemistry, 22.06.2019 10:30
Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
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Chemistry, 22.06.2019 14:30
100 grams of molten lead (600Ā°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21Ā°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/gā
Ā°c; the latent heat of fusion and the melting point of lead are 2.45 Ć 104 j/kg and 327Ā°c, respectively.)
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English, 24.07.2019 21:30
History, 24.07.2019 21:30
Mathematics, 24.07.2019 21:30
History, 24.07.2019 21:30