The United States subsidizes mining companies through depletion allowances that amount to _____ % of their gross income from mining and processing.

The United States subsidizes mining companies through depletion allowances that amount to _____ % of their gross income from mining and processing.

The United States subsidizes mining companies through depletion allowances that amount to _____ % of their gross income from mining and processing.




a. 2-4

b. 4-8

c. 5-10

d. 5-22

e. 6-33







Answer: D