Rock is composed of different combinations of minerals. Smaller rocks come from the breakage and weathering of bedrock and larger rocks. Soil is made partly from weathered rock, partly from plant remains--and also contains many living organisms. Benchmark 4C The Physical Setting: Processes that Shape the Earth Grades 6-8, page 73
The Celts (/ËkÉlts/ , occasionally /ËsÉlts/ , see pronunciation of Celtic) were people in Iron Age and Medieval Europe who spoke Celtic languages and had cultural similarities, although the relationship between ethnic, linguistic and cultural factors in the Celtic world remains uncertain and controversial.
The Celts were an Indo-European group, that is, related linguistically to the Greeks, the Germanic peoples, certain Italic groups and peoples of the Indian sub-continent.They arose in central Europe at the beginning of the first millennium B.C. and were an iron using and horse rearing peoples.he Celts were an Indo-European group, that is, related linguistically to the Greeks, the Germanic peoples, certain Italic groups and peoples of the Indian sub-continent.