Rocks can be classified many different ways, including as igneous, metamorphic, and sedimentary. This classification is based on the

OPTIONS:
- origin of the rocks.
- use of the rocks.
- size of the rocks.
- hardness of the rocks.
origin of the rocks.
Stenar kan klassificeras på många olika sätt, bland annat som igna, metamorfa och sedimentära. Denna klassificering bygger på Alternativen: - bergarternas ursprung. - användning av stenarna. - stenarnas storlek. - Stenarnas hårdhet.
Stones can be classified in many different ways, including igneous, metamorphic, and sedimentary. This classification is based on the Alternatives: - the origin of the rocks. - the use of the stones. - The size of the rocks. - The hardness of the rocks.
Klippornas ursprung.
The Origin of Rocks.