____________________ ____________________ ____________________ are alternating layers of chert and iron

oxide minerals that formed in shallow marine environments 2.3-2.5 bya. Fill in the blank(s) with the appropriate word(s).


Banded iron formations

Environmental & Atmospheric Sciences

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Describe dikes and sills using the appropriate terms from the following list: massive, discordant, tabular, and concordant

What will be an ideal response?

Environmental & Atmospheric Sciences

A condition in which cities grow more rapidly than the jobs and housing they can sustain:

Environmental & Atmospheric Sciences

List several factors that cause infiltration and runoff to vary from place to place and from time to time

What will be an ideal response?

Environmental & Atmospheric Sciences

Recycling aluminum cans saves ________% of the energy needed to make the same amount of aluminum from virgin bauxite

A) 50 B) 95 C) 70 D) 80 E) 25

Environmental & Atmospheric Sciences