Question.1991 - The grand canyon is an amazing prominent feature of the USA. Along with other national and state park lands, this is par of a huge geological structure. Studying the grand canyon reveals an expanse of time spanning several eras with minerals from the Proterozoic portion of the Precambrian eon present in the basement rock (over 1 billions year old). More resources from USGSLinks to an external site.Please view Grand Canyon episode from the History Channel: After viewing both of these resources, type up a paragraph summarizing some important points you learned/main ideas from what you reviewed. Include a summary, in your own words, describe the expanse of history and how scientists reason through understanding the history of the grand canyon Share three things that you found interesting and why Share something you already knew and how you knew it.
Answer Below:
The xxxx grand xxxx canyon xxxx is xxxx an xxxx amazing xxxxxxxxx feature xx the xxx Along xxxx other xxxx national xxxx and xxxxx nbsp xxxx nbsp xxxxx this xxxx is xxxx par xx nbsp x nbsp xxxx geological xxxxxxxxx Studying xxx nbsp xxxxx nbsp xxxxxx nbsp xxxxxxx nbsp xx nbsp xxxxxxx of xxxx spanning xxxxxxx eras xxxx minerals xxxx the xxxxxxxxxxx portion xx the xxxxxxxxxxx eon xxxxxxx in xxx basement xxxx over xxxxxxxx year xxx nbsp xxxx resources xxxx USGSLinks xx nbsp xx nbsp xxxxxxxx nbsp xxxx Please xxxx nbsp xxxxx nbsp xxxxxx nbsp xxxxxxx from xxx History xxxxxxx nbsp xxxx nbsp xxxxx viewing xxxx of xxxxx resources xxxx up xxxx a xxxx paragraph xxxxxxxxxxx some xxxxxxxxx points xxx learned xxxx ideas xxxx what xxx reviewed xxxxxxx nbsp x nbsp xxxxxxx in xxxx own xxxxx describe xxx expanse xx history xxx how xxxxxxxxxx reason xxxxxxx understanding xxx history xx the xxxx grand xxxx canyon xxxxx three xxxxxx that xxx found xxxxxxxxxxx and xxx Share xxxxxxxxx you xxxxxxx knew xxx how xxx knew xx nbspMore Articles From Science
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