Q89.
Consider the following statements regarding mercury pollution : 1. Gold mining activity is a source of mercury pollution in the world. 2. Coal-based thermal power plants cause mercury pollution. 3. There is no known safe level of exposure to mercury. How many of the above statements are correct?
Answer
C
Explanation
1 is correct: Artisanal gold mining currently more than 35 percent of all global mercury created by people. 2 is correct: Mercury is emitted in the process of coal and other fossil fuels. Coal much higher mercury concentrations than other fuels, which explains why coal-fired power plants emit larger quantities of mercury pollution than power plants that burn other fossil fuels. 3 is correct: Mercury is a highly toxic there is no known safe level of exposure. neither children nor adults should have any in their bodies because it provides no benefit.