What is the relationship between a mineral and a rock?

a. they are the exact same thing.
b. a mineral is a building block of rocks.
c. minerals are only silicates while rocks are nonsilicates.
d. a rock is always man-made while a mineral is naturally occurring.

B. A mineral is a building block of rocks.

A mineral is inorganic element or compound or a  group of inorganic elements or compounds found in a rock. Type of mineral present in a rock will decide the physical or chemical composition of rock. A rock is an aggregate of one or more minerals. Therefore, all these properties of minerals suggests that a mineral is a building block of rocks.  

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

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