Answer:
Saudi Arabia's key natural resources include petroleum, natural gas, and iron ore. The country's economy is primarily oil-based and is considered as the largest exporter of petroleum in the world.
Explanation:
Today in this country , petroleum is found in vast underground reservoirs where ancient seas were located. Petroleum reservoirs can be found beneath land or the ocean floor. Their crude oil is extracted with giant drilling machines.
Natural gas is found in deep underground rock formations or associated with other hydrocarbon reservoirs in coal beds and as methane clathrates.
For the past 50 years, more than 90 percent of US iron ore production has been mined from the Lake Superior deposits.