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Biology, 21.06.2019 14:00
According to the law of conservation of energy, energy can neither be created nor destroyed. if this is true, why is there less energy in the top of the energy pyramid than there is in the bottom of the energy pyramid?
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If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?
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Biology, 22.06.2019 03:30
Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?
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John wants to show the evolutionary relationship between a lion and a cat and group them based on th...
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