I need help with #1 on this sheet
...
Answers: 3
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 19:00
What came first egg or chicken? and is tomato a vegetable or a fruit?
Answers: 1
Biology, 21.06.2019 20:00
Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area
Answers: 1
Biology, 22.06.2019 03:40
Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons
Answers: 3
History, 19.02.2021 05:30
Mathematics, 19.02.2021 05:30
English, 19.02.2021 05:30
Mathematics, 19.02.2021 05:30
Social Studies, 19.02.2021 05:30
Mathematics, 19.02.2021 05:30
Mathematics, 19.02.2021 05:30
English, 19.02.2021 05:30
Mathematics, 19.02.2021 05:30
Medicine, 19.02.2021 05:30
Mathematics, 19.02.2021 05:30
Mathematics, 19.02.2021 05:30