Gold Mining in Brazil

When was the Gold Rush in Brazil

• 1600

• 1900

• 1789

• 1976

What is the purpose of gold mining?

• high global demand

• economic activity

• livelihood

• all the above

When was gold mining in Brazil prohibited?

• 1980-1987

• late 1900s

• 2006

• 2020

What contaminants are considered REEs

• helium, neon, argon, krypton

• lanthanum, cerium, scandium, yttrium

• sulfur oxide, nitrous oxide, carbon dioxide, methane

• mercury, lead, iron III, copper II

What caused mining to resurface in the 2000s?

• new regulation opening up mining operations

• a large shift in gold jewelry in fashion

• revolutionized mining techniques

• economic pressure following COVID-19 pandemic

Mercury toxicity has NOT spread to local communities specifically through the groundwater.

• true

• false

How many pounds of mercury does it take to extract one pound of gold?

• 27

• 4.5

• 6

• 34

Gold mining in Brazil has increased the rate of deforestation by what percent?

• 80%

• 21%

• 75%

• 90%

People living in the ________ community are more exposed to high mercury levels.

• riverine

• forest

• swamp

• wetlands

Mining areas that are exhausted of gold are abandoned without rehabilitation.

• false

• true