![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 03:50
What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 05:30
2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 05:30
Why do oceanic plates tend to subduction when colliding with a continental plate
Answers: 3
You know the right answer?
What are the five pieces of evidence of evolution...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mir.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 09.06.2021 20:40
![question](/tpl/images/cats/mat.png)
Mathematics, 09.06.2021 20:40
![question](/tpl/images/cats/en.png)
English, 09.06.2021 20:40
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.06.2021 20:40
![question](/tpl/images/cats/mkx.png)
Arts, 09.06.2021 20:40
![question](/tpl/images/cats/mat.png)
Mathematics, 09.06.2021 20:40
![question](/tpl/images/cats/en.png)
English, 09.06.2021 20:40
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 09.06.2021 20:40
![question](/tpl/images/cats/himiya.png)
Chemistry, 09.06.2021 20:40
![question](/tpl/images/cats/mat.png)
Mathematics, 09.06.2021 20:40
![question](/tpl/images/cats/mat.png)
Mathematics, 09.06.2021 20:40