Fossils and rock layers | The geosphere | Middle school Earth and space science | Khan Academy

[@mycatsrbetterthanu.]

Thank you so much this was really helpful !! 😊

[@hectorchairez5792]

Kahn academy really did teach me a lot in 4th grade

[@FW.Shadthix]

fr

[@trisalxd3283]

The disabled girl is craaaaazy

[@cold_water1453]

Yo you just saved my 8th grade science test

[@pandiyaya8704]

thanks man i really needed this

[@bluethegalaxy9064]

I would rather go to the future not the past ➡

[@yaretzi732]

Real

[@mycatsrbetterthanu.]

Nah I would go past