![subject](/tpl/images/cats/biologiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 16:30
An atom of nitrogen had seven protons in its nucleus. how many electrons does it have
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 09:30
Juan and carol were studying invertebrates in biology. they knew that segmented or earth worms preferred a dark, moist habitat. during this lab, they would be investigating the responses of organisms called planaria or dugesia tigrina. these were simple flatworms that still had a one-way digestive system and a very simple nervous system. juan and carol placed the planaria in a petri dish containing cool, distilled water that was partially covered with black paper. they shined a light on the dish. next, they removed the paper and placed a small amount of chicken liver at one end of the dish. they added a few large salt crystals to the water. finally, they added drops of hot water to the cool water in the petri dish. their results can be seen in the data table. according to their experiment, all but one conclusion is valid.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 12:30
Are the layers of rock above and below the coal older or younger?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 15:00
What process decreases the salinity of ocean water? decreased precipitationdecreased melting of glaciersincreased evaporationincreased runoff from rivers
Answers: 1
You know the right answer?
What two structures do plant cells have that animal cells do not have? a mitochondria and cell wall...
Questions
![question](/tpl/images/cats/User.png)
Engineering, 12.12.2020 16:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 12.12.2020 16:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 12.12.2020 16:10
![question](/tpl/images/cats/en.png)
English, 12.12.2020 16:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 12.12.2020 16:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 12.12.2020 16:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 12.12.2020 16:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/User.png)
Engineering, 12.12.2020 16:10
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:10
![question](/tpl/images/cats/obshestvoznanie.png)