The answer is letter
D.
<span>
Economists often use
the aggregate supply and demand model to reflect the total amount of goods and
services required at all possible price levels during a specific period. It
reflects the overall price of foods and services in an economy for a given
period and is often illustrated with the supply-demand curve. This shows the
relationship between price levels and quantity of output that a particular firm
is willing to provide to the general public.</span>
The appropriate response is the second one. Parallel fibers emerge from granule cells in the cerebellar cortex. Granule cells are little and exceptionally various. They are thought to make up the same number of as half of the neurons in the cerebrum. Granule cells have axons which ascend and afterward fan out into parallel filaments. These filaments meet the Purkinje cell dendrites.
<span>Desertification is the cancer of the earth,” Argentine geographer Elena Abraham told IPS. “It is a process of degradation that does not manifest itself in spectacular ways but furtively advances, and by the time it is visible there is nothing to be done, and people have to move away, in search of an alternative.”</span>