What is the basic difference between the Archean and the Proterozoic? What will be an ideal response?


The Archean was much hotter, so crustal evolution was different.

Environmental & Atmospheric Sciences

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Goiter is caused by a deficiency of ____________________.

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

Which two nations reunified shortly after the end of the Cold War?

A) Austria and Hungary B) West Germany and East Germany C) Slovakia and the Czech Republic D) Bosnia and Kosovo E) Poland and Lithuania

Environmental & Atmospheric Sciences

The Landsat series of satellites is an example of passive remote sensing

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the features on this aerial photograph is a cutbank?

A. A B. B C. C D. D

Environmental & Atmospheric Sciences