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 Ancient Celts. From around 750 BC to 12 BC, the Celts were the most powerful people in central and northern Europe. There were many groups (tribes) of Celts. Their civilization flourished across a wide area, from the British Isles to the borders of the Ukraine.he Celts arrived in Britain about the year 500 BC. They were farmers and lived in small village groups in the centre of their arable fields. These groups slowly collected together into larger tribes, living in their own special regions. Each tribe was ruled by a king or queen.