Answers: 2
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
Biology, 22.06.2019 07:50
45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.
Answers: 1
During sex men should release the semen in of the woman​...
Mathematics, 29.11.2020 20:50
History, 29.11.2020 20:50
Computers and Technology, 29.11.2020 20:50
Social Studies, 29.11.2020 20:50
Mathematics, 29.11.2020 20:50
Biology, 29.11.2020 20:50
Biology, 29.11.2020 20:50
History, 29.11.2020 20:50
Mathematics, 29.11.2020 20:50
Advanced Placement (AP), 29.11.2020 20:50
World Languages, 29.11.2020 20:50
History, 29.11.2020 20:50
Geography, 29.11.2020 20:50