1) The Amazon rainforest produces more than 20% of the world's oxygen.

2) The eye of a cyclone is a region of calm, relatively clear skies and light winds at the center of the storm.

3) The word "triangle" contains four vowels: I, A, E, and E.

4) The role of the media in politics is to provide information, analysis, and scrutiny of government actions, policies, and public affairs, serving as a watchdog and facilitating public discourse and transparency.