Suppose you've lost your atm card. what should you do? select the best response from the list below.

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.

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans