What is the main cause of the extinction of many living species?

Q. What is the main cause of the extinction of many living species?

A.            Natural catastrophes – e.g. floods, fires, earthquake

B.            Human activities – e.g. poaching, environmental pollution, disafforestation, clearance of tropical forests

C.            Changes in climate – e.g. temperature rises

Answer: Human activities – e.g. poaching, environmental pollution, disafforestation, clearance of tropical forests