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when gold is being cleaned and extracted cyanide solution is used. cyanide is a poison to people, animals, and fish. cyanide can leach through to underground water and poison the water. when gold is being cleaned and extracted cyanide solution is used. cyanide is a poison to people, animals, and fish. cyanide can leach through to underground water and poison the water.
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What were the main concerns that plagued the early European voyages of exploration?
There were many concerns that plagued the early European voyages of exploration. The main concern was the danger. The boats were not as sturdy as they should have been, there was also the danger of being lost at sea. Other concerns included sailing off the edge of the earth, and sea monsters.
What is the term for the use of gold as a nations currency?
The Gold Standard. As of 2014 no nation uses a gold standard as the basis of its monetary system, although many hold substantial gold reserves.
Is a 1945 Mexican peso solid gold?
It is a recognized gold bullion however it is an alloy of 90% pure gold and 10% copper.
What reason did the English have for thinking there would be gold in new world?
They didn't have a reason NOT to think there was gold. They wanted riches so they looked for gold and silver. The legend of cities of gold had existed for a thousand years and they didn't know geology so there was no reason to think there wasn't gold.
Which is an important piece of environmental legislation passed in the 20th century?
The Clean Air Act
What steps are being taken to address world environmental concerns?
The majority of environmental concerns are not global issues and deal more with concerns to do with regional environmental issues. The last global environmental concern was the problem with the hole in the Ozone Layer.
Short stories of environmental concerns?
Short stories of environmental concerns can be an effective way of raising awareness on the need to conserve the environment. They can highlight on the environmental problems and possible solutions.
What are the environmental concerns of the six regions?
because
What are environmental concerns for dolphins?
oil in the waters?
Who is work was among the first to bring environmental concerns to the public attention?
whos work was among the first to bring environmental concerns to the public's attention?
What are environmental concerns about the tiger?
The environmental concerns for tigers are that the people keep hunting them for their fur and meat! We need to stop now.
What environmental concerns do Europe have?
Pollution of imployment in factories
What environmental concerns does Europe face?
Acid rain
What are some concerns about digital safety?
viruses & other malware privacy health concerns environmental issues
What are the environmental concerns of iron sulfide?
i need this answer for my chemistry project
What are the St lawrence lowlands region environmental concerns?
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What are china's environmental concerns?
one of the environmental concerns in China is the Gobi desert because if you travel through the Gobi Desert it is extremely hard to survive without the right equipment.
