The function of the stomach is to . completely break down food
digest all food
continue chemically breaking down food
pass nutrients to blood stream

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.

Si el equipo no fuera bueno no con el entrenador.

This is the process of making a prediction based on the results of prior observations of similar events.