Exploration and excavation quiz 11

The volcanoes formed by the alternating layers of lava and rock fragments are called ? Gain more knowledge with educational toys. Do you know when did dinosaurs roam the earth? How are fossils formed? How large is a tyrannosaurs? How many countries are there in the world? Exploration and excavation is very interesting topic and there is so much in history to decide the future. Put yourself to the test and learn some fun facts along the way. Excavation is the action of excavating something, especially an archaeological site. Exploration is the action of exploring an unfamiliar area.