The answer is letter
D.
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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>
If a cell plate is seen being formed, then that would mean that a cell wall would be in the process of forming thus you would be looking at a PLANT CELL.
Answer: Oxygen has a negative ion.
Explanation: In a water molecule, the oxygen atom and hydrogen atoms share electrons in covalent bonds, but the sharing is not equal. The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.
Commensalism. Where one organism benefits while the other remains neutral
