Question
The technology that allows engineers to penetrate rock at multiple angles instead of simply a straight line is called
underground mining.
blasting.
directional drilling.
placer mining.
underground mining.
blasting.
directional drilling.
placer mining.
Answers
GPT-4o mini
The technology that allows engineers to penetrate rock at multiple angles instead of simply a straight line is called **directional drilling**.
What is true about most higher-grade metallic ores?
They are usually found very close to Earth’s surface—less than 1,000 ft underground.
Most of them can be extracted without requiring drilling.
Most of them can be extracted using the placer method.
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.
Most of them can be extracted without requiring drilling.
Most of them can be extracted using the placer method.
They are usually found deep below Earth’s surface—more than 1,000 ft underground.
GPT-4o mini
The statement that is generally true about most higher-grade metallic ores is: **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.
Unloading
Receiving
Holding
Loading
Unloading
Receiving
Holding
Loading
GPT-4o mini
**Holding** involves keeping the item for a short amount of time before moving it elsewhere.
When a person advertises a product, she is
delivering.
communicating.
marketing.
unloading.
delivering.
communicating.
marketing.
unloading.
GPT-4o mini
When a person advertises a product, she is **marketing**.