For 10 points, name this country home to Lake Maracaibo, Angel Falls, and Caracas.
The delta of this country's principal river contains the El Pao Iron Mine on a mountain known as El Florero. In 2004, this country declared a state of emergency when 18% of its largest lake's surface became infested with Lemnoideae, or duckweed. Air masses bounded by the Perijá Mountains and the Cordillera de Mérida produce storms that generate over 200 lightning strikes per hour near the mouth of this country's Catatumbo River. The Churún River flows over the Auyán tepui in this country, producing a feature named for an American aviator that is the world's tallest waterfall. For 10 points, name this country home to Lake Maracaibo, Angel Falls, and Caracas.
The delta of this country's principal river contains the El Pao Iron Mine on a mountain known as El Florero.
Bolivarian Republic of Venezuela