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
Answers: 2
Biology, 22.06.2019 01:00
Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation
Answers: 1
Biology, 22.06.2019 06:40
Select all that apply. why are common names not a good reference to a species? common names can be in different languages common names vary with location common names vary with culture common names vary with species color
Answers: 1
Plants can’t take in this element directly from the atmosphere, so bacteria must “fix” it...
Mathematics, 09.08.2021 20:50
History, 09.08.2021 20:50
Mathematics, 09.08.2021 20:50
Social Studies, 09.08.2021 20:50
English, 09.08.2021 20:50
English, 09.08.2021 20:50
Mathematics, 09.08.2021 20:50
Physics, 09.08.2021 20:50
English, 09.08.2021 20:50