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, 21.06.2019 19:50
Which of these resources is used worldwide to make construction products, pottery, and porcelain
Answers: 3
Biology, 22.06.2019 03:30
What organelle other than the nucleus houses dna in a eukaryotic cell?
Answers: 1
Biology, 22.06.2019 06:00
Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.
Answers: 2
Is mars made of mostly gas or rocks...
Social Studies, 29.06.2019 01:50
Biology, 29.06.2019 01:50
Biology, 29.06.2019 01:50