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Biology, 21.06.2019 22:20
Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3
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Biology, 22.06.2019 20:30
What methods do scientists use to predict volcanic eruptions? select all that apply
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Biology, 23.06.2019 00:40
Which statement is true for both photosynthesis and cellular respiration?
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When energy changes form, some energy is?...
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