What does it mean when a mineral has a definite chemical composition? select 2 choices.
it al...
Mathematics, 25.01.2020 09:31, maddiemalmstrom
What does it mean when a mineral has a definite chemical composition? select 2 choices.
it always occurs in pure form.
it always contains certain elements,
it cannot form from living or once living materials.
it always contains elements in definite proportions,
it cannot contain atoms from more than one element.
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