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What tunnels that extend deep into ground following the veins of ore?
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What type of mining is used to extract veins of ore deposits from the ground?
Open Pit Mining
How do you get minerals from the earth?
Depends on what the mineral is, and where it is located. Some are mined by conventional surface mining with power shovels, some are mined in underground mines, and some are mined by drilling a shaft, and pumping a solvent (maybe water) into the ground- the mineral is dissolved in the solvent, and pumped back up again. It is then extracted from the solvent.
What are veins that run in straight lines next to each other?
Veins that run in straight lines next to each other are called parallel veins. These types of veins can be found in all types of living organisms.
Are veins under high pressure?
No, veins are not under high pressure. High-pressure vessels are the arteries.
How are veins formed in rocks?
very carefully
Which type of mine often has a network of tunnels that extend deep into the ground following the veins of ore?
Its called a Vein Mine
How may pulmonary veins in human body?
Veins are vessels that bring blood to the heart. Pulmonary veins carry oxygenated blood from the lungs to the left atrium. There are four pulmonary veins which extend from the left atrium to the lungs. They are the right superior, right inferior, left superior, and left inferior pulmonary veins.
Which of the following is a difference between arteries and veins?
artery walls have more elastic tissue and smooth muscle than veins,
What is a palpable lesion?
Sore spots on my arm following my blood veins.
Which of the following statements about arteries and veins is false?
Veins can collapse, serving as the blood vessel with the greatest resistance to blood flow in the circulatory system
Which of the following statements is true regarding veins versus lymphatic collecting vessels?
Veins have fewer internal valves than lymphatic vessels.
Can surgical stripping prevent the development of new varicose veins?
Surgical stripping of varicose veins is successful for most patients. Most do not develop new, large varicose veins following surgery. Surgery does not decrease a person's tendency to develop varicose veins.
Are varicose veins treatable?
Varicose veins can develop in the deep veins also. Varicose veins in the superficial veins are called primary varicosities, while varicose veins in the deep veins are called secondary varicosities.
What type of mining is used to extract veins of ore deposits from the ground?
Open Pit Mining
Which of the following definitions best describes veins ?
a vessel that carries blood towards the heart.
What are the main parts of a leaf?
Veins & midrib and stem how come I'm 11 and I know that?!
What are the branches of superior vena cava?
The SVC branches immediately into the the LEFT and RIGHT BRACHEOCEPHALIC VEINS. Following that, each bracheocephalic vein branches cranially into LEFT and RIGHT INTERNAL JUGULAR VEINS, and laterally into LEFT and RIGHT SUBCLAVIAN VEINS.
