It takes the average reader 2 hours and 31 minutes to read Mercury from Gold and Silver Mining by Luiz D.de Lacerda
Assuming a reading speed of 250 words per minute. Learn more
Due to its inherent characteristics, mercury contamination from gold mining is a major environmental problem compared to past mercury contamination from industrial point sources. The worsening of social-economical conditions and increasing gold prices in the late 1970s resulted in a new rush for gold by individual entrepreneurs for whom Hg amalgamation is a cheap and easily carried out operation. Even after the present-day mining areas are exhausted, the mercury left behind will remain part of the biochemical cycle of the tropical forest. This book reviews the current information on mercury...
Mercury from Gold and Silver Mining by Luiz D.de Lacerda is 147 pages long, and a total of 37,779 words.
This makes it 50% the length of the average book. It also has 46% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 3 hours and 26 minutes to read Mercury from Gold and Silver Mining aloud.
Mercury from Gold and Silver Mining is suitable for students ages 10 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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