<u>There are five groups of factors responsible for the kind, rate and extent of soil development. They are: Climate, organisms, parent material, topography and time. Soil from one place is different from another because of the differences in the influence of these factors.</u>
The answer is
<span>B) the endocrine system. </span>
Air enters the bronchioles in the lungs and reaches the alveoli.
The air diffuses into the capillaries surrounding the alveoli.
The pulmonary veins carry oxygenated blood to the heart.
The left atrium fills with oxygen-rich blood and contracts to fill the left ventricle.
The capillaries join together to reach the arteries, transferring the oxygen.
The oxygen-rich blood moves from the aorta and reaches the kidneys rough a series of blood vessels.