Food security is t<span>he degree to which a person has regular access to adequate amounts of healthy foods.</span>
The correct answer is letter B. Forms of Currency. In US, across states, the form of currency won't change because the states are inside one country. Each country has only one form of currency to make an easier buying and trading. The currency is US Dollars.
Answer: principle of least interest is the correct answer.
Explanation:
He formulated the theory that natural selection was a thing
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