Federal law doesnt mandate it
An exchange rate is how much of your country's currency buys another foreign currency. For some countries, exchange rates constantly change, while others use a fixed exchange rate. The economic and social outlook of a country will influence its currency exchange rate compared to other countries. Hope this helps
Answer:
Globalization
Explanation:
https://www.google.com/search?q=the+rapid+travel+of+ideas%2C+culture%2C+goods%2C+and+information+across+national+borders&rlz=1CAQZUX_enUS862&oq=the+rapid+travel+of+ideas%2C+culture%2C+goods%2C+and+information+across+national+borders&aqs=chrome..69i57j0j69i61.336j0j7&sourceid=chrome&ie=UTF-8
A. freshwater fishing.
my reasoning:
Inside the Middle East, most countries have large supplies of oil, (which helps make the countries rich as they are today because of oil demands), which takes out the options C & D. The Middle East, is located within the Sahara desert, and so can contribute to desert research (B) as well.
So A, is your most logical choice.
hope this helps