Q:

Pick up the fact(s) about Jellyfish that is(are) related with Namibia.

• 1
  Low oxygen content has caused reduction in the number of jellyfish.
• 2
  Jellyfish can extensively increase their population in case of ecological imbalance.
• 3
  Unregulated fishing activities has led to a stark decrease in number of Jellyfish predators.
• 4
  Both B and C.
• 5
  All are correct