The technology that allows engineers to penetrate rock at multiple angles instead of simply a straight line is called(1 point) Responses directional drilling. directional drilling. underground mining. underground mining. blasting. blasting. placer mining.
What is true about most higher-grade metallic ores?(1 point) Responses 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 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 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.
_____ involves keeping the item for a short amount of time before moving it elsewhere.(1 point) Responses Unloading Unloading Loading Loading Receiving Receiving Holding
Holding
When a person advertises a product, she is (1 point) Responses unloading. unloading. communicating. communicating. delivering. delivering. marketing.
