Answers: 1
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, 21.06.2019 23:30
What is a traditional chinese touch therapy involving finger pressure applied to specific areas of the body to restore the flow of qi.
Answers: 1
Biology, 22.06.2019 09:00
Several billion years ago which gas was the least prevailant in the atmosphere
Answers: 1
Harold is tired and ready for bed. as he lies down and begins to relax, his brain emits bursts of t...