Discuss Forum

1. The writer says that ____ .

  • A. The changes in the past were caused by natural cause as well as human activity .
  • B. The changes in the past were caused by natural cause as well as human activity .
  • C. The changes in the past were caused by natural cause as well as human activity .
  • D. The changes in the past were caused by natural cause as well as human activity .

Answer: Option B

Explanation:

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