and it can be transported like, long distance. This happens mainly in the tropics and is the biggest anthropogenic source of mercury on the planet.
The Hidden Cost of Buying Gold | Claudia Vega | TED · TED
How native speakers pronounce “tropics”
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and it can be transported like, long distance. This happens mainly in the tropics and is the biggest anthropogenic source of mercury on the planet.
The Hidden Cost of Buying Gold | Claudia Vega | TED · TED