Which is the best definition of a polymer?
a simple molecule with basic properties and functions
two molecules held together with an ionic bond
a combination of three or more monomer molecules in a chain

this protocol provides a detailed procedure for nucleoprotein extraction from cultured cells and tissues in an efficient manner.

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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thinking it would be d not too sure but i think it's right