Biology, 24.08.2019 00:30 elijahjacksonrp6z2o7

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a team of geologists working in a mountainous location found four materials in the region. classify the materials as minerals or rocks based on their
descriptions
rock
mineral
description
rock or mineral?
material a is transparent and
made up of bluish crystals,
with all specimens having the
same atomic structure.
material b appears to be composed
of grains of sand and tiny shells.
material c is dark and metallic
the whole specimen of material c
is made up of the same group of
elements
material d has a porous
appearance, with each specimen
exhibiting a different atomic
structure
reset
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