Multiple choice general knowledge

Why are beluga whales dying in the St Lawrence river in Canada?

  1. Because they're getting eaten by polar bears.

  2. Because they are being harmed by chemicals that pollute the river.

  3. Because they swim into rocks.

  4. none

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The St Lawrence River has significant industrial pollution including toxic chemicals from manufacturing and agricultural runoff that accumulates in the beluga whales fatty tissues causing reproductive failures immune system damage and eventual death. This chemical pollution is the primary cause of their declining population. Option B is correct.