Detailed explanation and options for the selected question.
Consider the following statements regarding mercury pollution (2023): 1. Gold mining is a source of mercury pollution. 2. Coal-based thermal power plants cause mercury pollution. 3. There is no known safe level of exposure to mercury. How many are correct?
A.
(a) Only one
B.
(b) Only two
C.
(c) All three
D.
(d) None
Explanation:
Explanation: All three statements regarding mercury pollution are correct.