$P$ - Statement: Fisheries can be either freshwater or marine.
$Q$ - Statement: Approximately $90\%$ of the world's fisheries come from the ocean.

• A
  Both statement $P$ and statement $Q$ are incorrect.
• B
  Both statement $P$ and statement $Q$ are correct.
• C
  Statement $P$ is correct,statement $Q$ is incorrect.
• D
  Statement $P$ is incorrect,statement $Q$ is correct.