(A) The glaciers at the poles of the earth are melting at a fast rate.
(B) In recent times there has been a substantial increase in the incidents of earthquakes and volcanic eruptions.
A. if statement (A) is the cause and statement (B) is its effect
B. if statement (B) is the cause and statement (A) is its effect
C. if both the statements (A) and (B) are independent causes
D. if both the statements (A) and (B) are effects of independent causes