Question

Anwar has an injury in his leg which did not heal. His two fingers got ulcers
which could not be treated and had to be ultimately amputated. His blood has
34–40 ppb arsenic and he was diagnosed to have skin cancer.
(a) Write the name of the pollution he was affected by.
(b) What are meant by melanosis and keratosis?

Answer 1

Answer:

I think he was polluted by chemical pollutant.

second I c

Answer 2

Answer:

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a) It was due to the gases like methane and carbon monoxide

b)The first visible symptoms caused by exposure to high Arsenic concentrations in drinking water are abnormal black-brown skin pigmentation known as melanosis and symmetrically- distributed, multiple, small elevated lesions of palms and soles known as keratosis.

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