Part A Your presentation should make a convincing argument that human activity is the major cause of
climate change. Your presentation should answer some of these questions:
• What is climate?
• How is Earth's climate changing?
• What are the natural and human factors that affect climate?
• How do scientists know that human activity is the major force behind climate change?
• What evidence do scientists have that climate is changing?
Write down two additional questions you have about climate change that will help you make this
argument in vour presentation.