I don’t understand this, please help
...
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:00
The biosphere of the earth is made up of what compound? organic or inorganic?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:00
The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 07:30
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?
Answers: 1
![question](/tpl/images/cats/himiya.png)
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 16:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 26.03.2021 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 16:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.03.2021 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 16:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 16:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 16:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.03.2021 16:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 16:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.03.2021 16:00