Which wave has the highest amplitude?
A.
B.
Purple
Blue
Orange
They all have the same amplitude
C.
D.
Plzz help me

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.

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Which best describes carbon dioxide’s path out of the body