Answers: 2
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 01:30
What are some characteristics of a free enterprise economy?
Answers: 2
Biology, 22.06.2019 01:30
Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?
Answers: 1
Biology, 22.06.2019 14:20
Drag the tiles to the correct boxes to complete the pairs. match each cell organelle with its description.
Answers: 3
Cells do cell respiration in order to make...
Mathematics, 23.11.2020 21:10
Mathematics, 23.11.2020 21:10
Social Studies, 23.11.2020 21:10
Social Studies, 23.11.2020 21:10
Biology, 23.11.2020 21:10
Biology, 23.11.2020 21:10
Mathematics, 23.11.2020 21:10
Computers and Technology, 23.11.2020 21:10