Answer:
a. decrease.
Explanation:
If the federal government has a budget surplus in a given year, the national debt will decrease.
If a government has a budget surplus, it implies that the government after carrying out its financial obligations still has extra funds. These extra funds are mostly used by governments to pay off debts thus the national debt will increase. Countries like Belarus, South Korea experience budget surplus.
Distance is 3717 kilometers or 2309 miles or 2007 nautical milesThe distance is the theoretical air distance
(great circle distance). Flying between the two locations' airports can
be a different distance, depending on airport location and actual route
chosen.