Question

question 7
listen
what is the impact of dead zones on biodiversity?
a they have no impact on biodiversity.
b they increase biodiversity.
c they decrease biodiversity.

Explanation:

Dead zones are areas in water bodies with extremely low oxygen levels. Such conditions are not conducive to the survival of most aquatic organisms. As a result, the number of species and the overall biodiversity in these areas decline.

Answer:

C. They decrease biodiversity.