Answers: 2
Biology, 21.06.2019 18:30, smelcher3900
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: 3
Biology, 21.06.2019 21:00, dkargbo6034
If water is at -10 ° c and energy is added to the water until it is 50 ° c while maintaining a constant pressure of 760 mmhg, describe the phase change of the water?
Answers: 2
Biology, 22.06.2019 03:00, moneyyfletcher
Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?
Answers: 3
Please define these words clearly: dependent variable, quantitative data and qualitative data...
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English, 19.09.2019 17:40
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Biology, 19.09.2019 17:40