he answer is C). working poor
hope this helps :)
It first started with the Pearl Harbor Attack and was officially announced by Roosevelt in the Quarantine Speech.
If an important resource, such as oil, becomes unavailable, the production possibilities curve a. shift inwards.
"The production possibility frontier (PPF) is a curve on a graph that depicts the possible amount that can be produced or made of two products, if both are based upon the same limited resource for their creation. The Production Possibility Frontier is also termed as the production possibility curve. If it shifts inwards, it means the economy is shrinking due to a collapse in issuing resources and production capacity."
"The production possibility curve (PPC )is necessary because it helps in indicating the maximum possible production of items , in fixed resources. In macroeconomics, economists study and support a country or other organization's economic activity with its help."
To learn more about Production Possibility Curve,
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Answer: Water sources and pesticides/ herbicides use
Explanation:
Invasive species of flora and fauna and communicable diseases were a byproduct of the Colombian Exchange
