When rocks and stones break apart, they become tiny particles.They flow into rivers or seas, where they form sediments.
Sand and mud build up on riverbeds over time to create strata.
As these layers pile up, they get compressed and gradually harden.
After millions of years, the strata turn into rock.
When rocks and stones break apart, they become tiny particles.
They flow into rivers or seas, where they form sediments.
Sand and mud build up on riverbeds over time to create strata.
As these layers pile up, they get compressed and gradually harden.
After millions of years, the strata turn into ...