Responses
They are usually found deep below Earth’s surface—more than 1,000 ft underground.
They are usually found deep below Earth’s surface—more than 1,000 ft underground.
They are usually found very close to Earth’s surface—less than 1,000 ft underground.
They are usually found very close to Earth’s surface—less than 1,000 ft underground.
Most of them can be extracted using the placer method.
Most of them can be extracted using the placer method.
Most of them can be extracted without requiring drilling.
1 answer
The statement that is true about most higher-grade metallic ores is:
They are usually found deep below Earth’s surface—more than 1,000 ft underground.
Higher-grade metallic ores are typically found in deeper geological formations, often requiring extensive mining operations to extract them.
