What is basalt? Igneous rock
Where does basalt come from? Basalt is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes, so it's one kind of igneous rock. Igneous rocks Volcanoes All [...]
25
06, 2017
17
05, 2017
Early African History
Early African history: Pyramids at Giza, Egypt The first modern humans About three and a half million years ago, primates like chimpanzees in Africa started to come down out of the trees [...]
