CLEAN : Taiwan rescuers find black boxes after air crash kills 48

What is the primary focus of the initial section of the video?

• The concept of changes

• The history of changes

• The impact of changes

• The future of changes

How does the speaker respond to the concept of changes in the second section?

• With affirmation

• With confusion

• With skepticism

• With enthusiasm

What is the purpose of the rhetorical question at the end of the video?

• To encourage reflection

• To challenge the viewer

• To introduce a new topic

• To summarize the video