The velocity of a car moving in a straight line increases from 8 m/s to 22 m/s in 7 seconds. what is the average acceleration of the car during this period?

a. 2.3 m/s^2

b. 2.8 m/s^2

c. 1.8 m/s^2

d. 2.0 m/s^2

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.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

Which best describes what you will do in the reaching your academic potential course?