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Biology, 21.06.2019 18:00
The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community
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Biology, 22.06.2019 01:00
Works together in the synthesis, modification, packaging, and transport of lipids and proteins
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Biology, 22.06.2019 07:00
The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.
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Biology, 22.06.2019 13:30
What is the correct order of cell division? include what happens in each phase
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