HELP FAST WILL MARK BRANLIeST
Why does the author of "A Student's Guide to Global Climate Change" use a problem-solution text structure?

to blame people for the problems that climate change causes and to raise their awareness
to help people understand that climate change is not as large a problem as some people think
to help people understand the threats they face from climate change and to motivate them to take action
to scare people into acting differently when it comes to conserving energy and using less fossil fuel