UPSC IAS - 2021

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 line ​ Select the correct answer using the code given below. ​

Year Asked: 2021

A
B
C
D
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