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 05:00
What is the farthest destination to date for a human spaceflight mission?
Answers: 1
Biology, 23.06.2019 00:30
Npiranha, fish with large teeth represent the dominant trait. because the dominant trait masks the recessive trait, in a population of 1,000 piranhas, all with large teeth, we could expect about the next generation of fish to have small teeth.
Answers: 1
How do i get more hummingbirds at my house...
History, 31.07.2019 13:00
English, 31.07.2019 13:00
Business, 31.07.2019 13:00
History, 31.07.2019 13:00
Social Studies, 31.07.2019 13:00
History, 31.07.2019 13:00
Biology, 31.07.2019 13:00