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Biology, 21.06.2019 22:00
An easy way to calculate the amount of energy available at each level is to what?
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Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
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Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation
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Biology, 22.06.2019 02:00
What is the difference between an igneous, sedimentary and metamorphic rock
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Which of these is a characteristic of sexual reproduction...
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