Which two statements best describe the author's purpose for writing the passage? Which two statements best describe the author's purpose for writing the passage?
to persuade people to take individual steps to prevent global climate change
to explain how the development of new technologies has increased the rate of global climate change
to explain the increase in carbon dioxide and greenhouse gases in the atmosphere
to persuade people to write to their local elected officials about global climate change
to explain how the work of scientists impacts the amount of greenhouse gases in the atmosphere