Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following?
1. Brakes of motor vehicles
2. Engines of motor vehicles
3. Microwave stoves within homes
4. Power plants
5. Telephone lines
Select the correct answer using the code given below.
- A.1, 2, 3 and 5 only
- B.1, 2 and 4 only
- C.3, 4 and 5 only
- D.1, 2, 3, 4 and 5
Show answer
Magnetite nanoparticles in polluted air come from high-temperature combustion and friction: vehicle engines, brake wear and power plants. Magnetite is an iron oxide (Fe3O4).
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