![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:00
If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:30
Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic
Answers: 1
![question](/tpl/images/cats/himiya.png)
You know the right answer?
Calcula cuantos atomos de cobre hay en 15 gramos en este metal...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 23:53
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 23:53
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 30.01.2020 23:53
![question](/tpl/images/cats/istoriya.png)
History, 30.01.2020 23:53
![question](/tpl/images/cats/en.png)
English, 30.01.2020 23:53
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 23:53
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mir.png)
World Languages, 30.01.2020 23:53
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 23:53
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 23:53
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 23:53
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 30.01.2020 23:53
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 23:53
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 23:53
![question](/tpl/images/cats/biologiya.png)
Biology, 30.01.2020 23:53