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rgy pyramid. Assign your grassland organisms to the proper trophic level
in the pyramid.
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Roosevelt and the Square Deal The Progressive Era
What specic problems did Roosevelts administration try to address?
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E Pluribus Unnm Immigration lesson 2
Read the following description of "An American Farmer" from 1782. Decide if and] or how
"an American has changed since our founding days.
Letters From An American Farmer
By]. Hector St. John De Crevecoeur
What then is
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Ecologists study the energy economies of natural systems. Producers harvest an energy source such as sunlight
and turn it into biomass. This biomass is consume
The authors of the United States' Declaration of Independence held certain truths to be self-
evident: that all Men are created equal, that they are endowed by their Creator with certain
unalienable Rights oat among these are life, Liberty and the Pursuit
An Issue Faced Today: Californias Water Supply
In this day and age in California weve come to be tasked with an issue caused by lack of
rainfall and improper use and management of water. This problem has simply become known as
the drought. While we now ma