Petroleum.
The chief export of a country is the most important product or resource that a country trades on the international market.
cchads opolareoixnas
I am pretty sure its oil
The main export of Mauritius is Sugarcane. It takes up 90% of cultivated land and accounts for 25% of Mauritius's export earnings
Copper is the chief export of Zambia.
At this time, oil is Oman's chief export.
It is an export found in Michigan.
pie
Cocaine
Marijuana.. (:
No.