Answer:
B: Oil
Step-by-step explanation:
If consumption of natural resources continues at the 1994 rate, then without importing resources from other countries, the U.S. has approximately enough oil to last for 23 years, enough natural gas to last for 68 years, enough uranium to last for 364 years, and enough coal to last for 7,007 years.
Reference: Energy Information Administration's State Energy Data Report 1994
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