Fossils are found in... - sedimentary rock, Step 1: - An animal dies., Step 2: - The animal decomposes, leaving a skeleton., Step 3: - The skeleton is buried by layers of sediment. This takes millions of years!, Step 4: - The sediment hardens. Water seeps in and dissolves the bones. Minerals in the water fill the space left by the bones and form a fossil. , The layers of rock gradually wear away... - and the fossil is exposed.,

Fossils

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

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