5. what did the decline of porpoise (e.g. dolphin) bones in garbage piles indicate?

5. what did the decline of porpoise (e.g. dolphin) bones in garbage piles indicate?

5. what did the decline of porpoise (e.g. dolphin) bones in garbage piles indicate?

Answer

Brief Explanations:

The decline of porpoise bones in garbage piles could indicate a reduction in the porpoise population, perhaps due to over - hunting, habitat loss, or other environmental changes that made them less available as a food source or less present in the area where the garbage piles were formed.

Answer:

A decline in the porpoise population or changes in their availability in the area.