Identify whether the mineral has a chemical composition.
<em><u>Explanation:</u></em>
In order to determine whether an unknown substance is a mineral tests to determine some properties need to be done.
Mineral's properties are key to establish its identity because the properties are determined by the chemical composition and crystal structure, or the way that the atoms are arranged.
Mineral properties include: color, streak. luster, density, hardness, cleavage and fracture, among others.
A Minerals A Pure Substance And A Rock Is A Mixture Of Two Or More Minerals In Various Proportions.
For Instance Rock Granite Is Made Up Of Three Minerals: Quartz Feldspar and Biotite. (mica)
A Mineral is an chemical compound with an constant chemical composition which of course is the definition of a "Pure Substance" Hope It Helped! <span />
The correct answer for the question that is being presented above is this one: "b.London will once again thrive despite the calamities that befell it."
Here are the following choices: a.The growth and development of the city will endanger the river. b.London will once again thrive despite the calamities that befell it. c.The queen will welcome suitors from all across the world. d.The Thames River will be flooded and will cause disaster.
