A) A type of bird B) A cave in Puerto Rico C) A historical fortress D) A mountain range
A) Dominican Republic B) Puerto Rico C) Mexico D) Cuba
A) Window Cave B) Hidden Cave C) Cave of Wonders D) Mountain Cave
A) Tectonic uplift B) Volcanic activity C) Karst formations D) Glacial erosion
A) At night B) During the rainy season C) In winter D) During the dry season
A) Guided tours B) Boat trips C) Subway trains D) Helicopter rides
A) Pollution B) Tsunamis C) Cold weather D) Earthquakes
A) Granite B) Sandstone C) Limestone D) Basalt
A) Arecibo B) Mayagüez C) Ponce D) San Juan |