Anonymous48458
contestada

Unlike rocks, all minerals ________ and ________.
A are expensive, are difficult to get

B occur naturally, have a fixed chemical composition

C contain metal, dissolve in acid

D fracture, contain silica

Respuesta :

The correct answer is B!

Why is this?

A mineral is a naturally occurring, inorganic solid with a definite crystalline structure and chemical composition. All minerals contain one or more elements, which are pure substances that cannot be broken down into simpler substances by chemical means.