Biodiversity and ConservationMedium
Question
Which of the following statement pertaining to pollutants is correct?
Options
A.DDT is a non-biodegradable pollutant
B.Excess fluoride in drinking water causes osteoporosis hardening of bones, stiff joints
C.Excess cadmium in drinking water cause black foot disease
D.Methylmercury in water may cause ″Itai Itai″ disease
Solution
Excess fluoride in drinking water causes hardening of bones, stiff joints black foot disease is due to arsenic and ″Itai Itai″ disease cadmium in contaminated water.
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