eCampusOntario H5P Studio Service Disruption Notice
We have completed our scheduled upgrades. Minor updates not requiring downtime will continue to be made in the coming days. If you are experiencing any issues please contact us at open@ecampusontario.ca.
Geological Timeline: Precambrian Period
Description
This timeline provides a better understand of what might have happened during the Precambrian portion of the geological timeline (4 billion to 700 million years ago).
Ontario Commons License
Please note: This H5P activity is licensed under an Ontario Commons License. As such, only authorized users are permitted to use this work as defined under the terms of the license.