TED: Mining minerals from seawater | Damian Palin

What do bacteria create as they metabolize, which helps in attracting metals?

• Magnetic fields

• Chemical bonds

• Thermal energy

• Electrical charges

What is the primary technique used in desalination to remove salt from seawater?

• Filtration

• Reverse osmosis

• Evaporation

• Distillation

What is a significant environmental concern associated with the desalination process?

• Depletion of freshwater sources

• Increased air pollution

• Harm to local marine ecology

• Excessive energy consumption

Which metals are being accumulated from desalination brine in the innovative bacterial mining process?

• Iron, copper, and zinc

• Calcium, potassium, and magnesium

• Silver, gold, and platinum

• Lead, mercury, and arsenic

What is the potential economic impact of the bacterial mining industry in Singapore?

• A $10 billion industry

• A $6 billion industry

• A $4.5 billion industry

• A $2 billion industry