A) River B) Lake C) Volcano D) Sinkhole
A) Groundwater B) Rainwater C) Ocean water D) River water
A) Inca B) Maya C) Aztec D) Olmec
A) Hiking B) Skiing C) Swimming D) Skydiving
A) Stalactites and stalagmites B) Sand dunes C) Surfing waves D) Hot springs
A) Black B) Brown C) Red D) Turquoise
A) Tulum B) CancĂșn C) MĂ©rida D) Valladolid
A) Water source B) Sand supply C) Mud supply D) Wood source
A) Coastal erosion B) Glacial activity C) Volcanic eruptions D) Collapse of limestone bedrock |