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>
Hello there,
The answer to your question is:
<span>Stomata
Hope this helps. Good Luck.
</span>
B- Metamorphic rocks. metamorphic rocks are formed through the change of igneous and sedimentary rocks. which sandstone and basalt are. metamorphic rocks are also formed through heat and pressure
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