The Blue-Baby Syndrome is caused by the contamination of ________ in drinking water.

Blue-baby syndrome is caused by nitrate contamination of drinking water.

Mercury poisoning damages the nervous system and causes Minamata disease, not the blue-baby condition.

Lead harms the brain and blood but is not the cause of blue-baby syndrome.

Arsenic causes skin lesions and black-foot disease rather than blue-baby syndrome.

Nitrate converts to nitrite in the body and blocks the blood from carrying oxygen, turning infants bluish.

Nitrate in water often comes from farm fertiliser runoff and sewage seepage.