![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
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
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:00
How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 05:00
Idonβt know the answer and iβve been stuck on it for a while now skskskskks
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 09:30
The ruiz family is exchanging euros for us dollars. the exchange rate is 1 euro equals 1.35261 usd. since the ruiz family knows that usd are stated to the nearest hundredth of a dollar, they used the conversion ratio
Answers: 1
You know the right answer?
What organisms are insects closely related to ?...
Questions
![question](/tpl/images/cats/en.png)
English, 26.08.2019 08:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 26.08.2019 08:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 26.08.2019 08:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.08.2019 08:10
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.08.2019 08:10
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.08.2019 08:10
![question](/tpl/images/cats/istoriya.png)
History, 26.08.2019 08:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 26.08.2019 08:10