The technology that allows engineers to penetrate rock at multiple angles instead of simply a straight line is called(1 point)
Responses
blasting.
blasting.
directional drilling.
directional drilling.
underground mining.
underground mining.
placer mining.
placer mining.
What is true about most higher-grade metallic ores?(1 point)
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.
Most of them can be extracted without requiring drilling.
Most of them can be extracted without requiring drilling.
Most of them can be extracted using the placer method.
Most of them can be extracted using the placer method.
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.
_____ involves keeping the item for a short amount of time before moving it elsewhere.(1 point)
Responses
Loading
Loading
Holding
Holding
Receiving
Receiving
Unloading
When a person advertises a product, she is (1 point)
Responses
marketing.
marketing.
communicating.
communicating.
delivering.
delivering.
unloading.
unloading.
marketing.
What is true about most higher-grade metallic ores?(1 point)
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.
Most of them can be extracted without requiring drilling.
Most of them can be extracted without requiring drilling.
Most of them can be extracted using the placer method.
Most of them can be extracted using the placer method.
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.
They are usually found deep below Earth’s surface—more than 1,000 ft underground.
_____ involves keeping the item for a short amount of time before moving it elsewhere.(1 point)
Responses
Loading
Loading
Holding
Holding
Receiving
Receiving
Unloading