Question

why is the use of the mercury thermometer is not safe?​

Answer 1

Because Mercury Is Poison ! So Dont Drink It

Answer 2

Answer:

"The inhalation of mercury vapour can produce harmful effects on the nervous, digestive and immune systems, lungs and kidneys, and may be fatal. The inorganic salts of mercury are corrosive to the skin, eyes and gastrointestinal tract, and may induce kidney toxicity if ingested"