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 xxxxx canyon xx an xxxxxxx prominent xxxxxxx of xxx USA xxxxx with xxxxx national xxx state xxxx lands xxxx is xxx of x huge xxxxxxxxxx structure xxxxxxxx the xxxxx canyon xxxxxxx an 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 More xxxxxxxxx from xxxxxxxxx to xx external xxxx Please xxxx Grand xxxxxx episode xxxx the xxxxxxx Channel xxxxx viewing xxxx of xxxxx resources xxxx up x paragraph xxxxxxxxxxx some xxxxxxxxx points xxx learned xxxx ideas xxxx what xxx reviewed xxxxxxx a xxxxxxx in xxxx own xxxxx describe xxx expanse xx history xxx how xxxxxxxxxx reason xxxxxxx understanding xxx history xx the xxxxx canyon xxxxx three xxxxxx that xxx found xxxxxxxxxxx and xxx Share xxxxxxxxx you xxxxxxx knew xxx how xxx knew xxMore Articles From Science
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