For the U.S. federal government, mandatory spending refers to ...

[j.rubin]

For the U.S. federal government, mandatory spending refers to
 
  A) spending that is not subject to Congress's annual appropriations process.
  B) spending that never changes in amount from year to year.
  C) spending on federal employee salaries.
  D) spending that must be authorized by Congress each year.

Question 2

Explain what increases in the price of oil have done to the exploration and extraction of oil from more costly sources of oil. What are some of these more costly sources of oil, and what happens to the quantity of proven oil reserves?
 
  What will be an ideal response?

[succesfull]

Answer to Question 1

A

Answer to Question 2

As oil prices have increased, oil companies have more of an incentive to explore for and extract oil from more costly sources. These sources include shale oil, tar sands oil, oil extracted from horizontal drilling and oil extracted from fracking.

[j.rubin]

Thank you

[succesfull]

No problemo