major sources of income for the mexican economy include all of the following except
a.
agriculture.
c.
the technology industry.
b.
tourism.
d.
petroleum extraction.

d.  petroleum extraction.

Explanation:

The mining and the manufacturing industry employs about 11% of the world force that accounts of about 23% of the Mexico's GDP and in which oil is the most important and provides about 30% of the Mexico export earning and thus about 5% of the oil is exported to the united states and it's controlled by a government agency known as the PEMEX. And Mexico accounts for about 7% of world reserves of oil.

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