Question

Which metal causes harmful effect?

• A. Lead
• B. Cobalt
• C. Uranium
• D. All of the above

Answer 1

The correct option is D All of the above

Lead is released from the vehicular emissions and it persists in the environment. It causes severe neurological degradation. Cobalt is responsible for the cardiomyopathy in which the heart becomes big and floppy. Nausea, headache, lung disorders are other effects of the cobalt poisoning. Uranium is a radioactive element. The radioactive radiations emitted by it are highly ionizing. It is known to cause bone and liver cancer.

Hence, the correct answer is 'All of the above'