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Iron
It's rocks are severely bent and folded.
most rock form that era are deeply buried.
Precambrian rocks contain relatively fewer fossils than rocks from different eras. This may be due to the fact that the rocks from this era were subject to a lot of heat and pressure, or were exposed to erosion.
The Precambrian ended about 541 million years ago.
which of the following statements most accurately characterizes the british colonial frontier before 1750?
Renaissance invention to accurately maneuver ships
gofukc yourself
The word Precambrian describes the approximate age of the rock, it could be sedimentary, igneous or metamorphic and there are many ways in which these 3 types of rock could form.
Most slaves were born in North America
) most of the Irish who arrived were poverty-stricken peasants
Isolationism
Iron
correlation between rock units is impossible
It's rocks are severely bent and folded.
most rock form that era are deeply buried.
Precambrian is BEFORE the Cambrian period!