Biology, 03.12.2021 21:30 devinluck100
Definition: This is a solid substance that is composed of minerals.
Example: dirt to mountains
Term:
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 08:30
What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons
Answers: 1
Definition: This is a solid substance that is composed of minerals.
Example: dirt to mountains
Mathematics, 20.02.2020 08:58
History, 20.02.2020 08:58
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English, 20.02.2020 08:58
Mathematics, 20.02.2020 08:58
Mathematics, 20.02.2020 08:58
English, 20.02.2020 08:58
History, 20.02.2020 08:58
English, 20.02.2020 08:58
Mathematics, 20.02.2020 08:58