Question

Driving cars lowers the pH of the oceans by _______.
a.
releasing CO2 that dissolves and forms acid in the oceans
b.
releasing pollutants that lead to smog
c.
releasing CO that dissolves and forms acid in the oceans
d.
releasing pollutants that lead to acid rain


Please select the best answer from the choices provided

A
B
C
D

Answer 1

A

Driving cars emit CO2, which dissolves in seawater to form carbonic acid, lowering ocean pH. CO (choice C) does not cause that effect; smog and acid rain (B and D) are different impacts.