https://padlet.com/hcps_jonesra1/3rocktypes Understanding the Earth can help you understand your work better. en-us 2017-11-15 13:38:45 UTC 2017-11-15 13:57:15 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Ninja.png hcps_jonesra1 https://padlet.com/hcps_jonesra1/3rocktypes/wish/207179633 2017-11-15 13:50:41 UTC https://padlet.com/hcps_jonesra1/3rocktypes/wish/207179633 hcps_jonesra1 https://padlet.com/hcps_jonesra1/3rocktypes/wish/207181570 Sand, shells and fragments that settle and accumulate into layers over time. Then the layers- the sediments- harden into rock.]]> 2017-11-15 13:54:09 UTC https://padlet.com/hcps_jonesra1/3rocktypes/wish/207181570