How do you calculate wave speed?
a.
divide the wave period by the wavelength.
b.<...
![subject](/tpl/images/cats/biologiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 06:30
Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:00
How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:50
18. how do the cells in meiosis differ from the cells in mitosis?
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2021 08:20
![question](/tpl/images/cats/en.png)
English, 30.03.2021 08:20
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2021 08:20
![question](/tpl/images/cats/himiya.png)
Chemistry, 30.03.2021 08:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 30.03.2021 08:20
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2021 08:20
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2021 08:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2021 08:20
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2021 08:20
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2021 08:20
![question](/tpl/images/cats/fizika.png)
Physics, 30.03.2021 08:20
![question](/tpl/images/cats/istoriya.png)
History, 30.03.2021 08:20
![question](/tpl/images/cats/en.png)
English, 30.03.2021 08:20
![question](/tpl/images/cats/istoriya.png)
History, 30.03.2021 08:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 30.03.2021 08:20