What is the result of American dependence on foreign energy sources? A)
loss of jobs
B)
increased consumer prices
C)
national security threats
D)
a and b only
E)
all of the above

How much oil consumed by the United States comes from foreign countries? In 2019, U.S. net imports (imports minus exports) of petroleum from foreign countries averaged about 0.67 million barrels per day, equal to about 3.3% of average daily U.S. petroleum consumption.

a- all cells come from pre-existing cells