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rodikova [14]
3 years ago
10

There are two main ways that minerals are classified. Which identifies those two main ways?

Chemistry
2 answers:
MAXImum [283]3 years ago
6 0
A mineral is a naturally occurring inorganic crystalline solid that are the building blocks of rocks. Rocks are made up of different minerals. The most appropriate answer is c. crystal structure and economic value. Some minerals are classified as semiprecious or precious because of their economic value.  Minerals such as diamonds and emeralds are precious and are very valuable. 
prohojiy [21]3 years ago
6 0

Minerals are classified based on their physio chemical properties

The chemical properties are related to crystal structure

physical appearance  of mineral defines its cost

so the minerals are classified based on crystal structure and economic value

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A student jumps of a sled toward the west after it stops at the bottom of an icy hill. Based on the law of action-reaction, in w
Delicious77 [7]

Answer:

East

Explanation:

Given Newton's third law of motion; "Action and reaction are equal and opposite", when a student jumps off a sled toward the west after it stops at the bottom of an icy hill, the sled will move in the East direction.

This is because, the force exerted on the sled is a reaction force and is opposite in direction to the force that thrusts the boy westward though equal in magnitude with the former.

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2 years ago
What are the observable properties of salt and rocks, and explain how you used empirical evidence to explain that mixtures of so
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Answer:

Appearance. Pure rock salt is colorless. However, when found underground it is generally not completely pure, so may have yellow, red, gray or brown hues. It is either transparent or translucent and when you shine a light on it, its luster is vitreous, meaning it appears shiny and glassy.

Explanation:

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the weather is raining sunning or rainbow

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because the oceans is water you can swimming

Explanation:

that is

3 0
2 years ago
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3 years ago
What is the number of moles of 27.6 grams of lithium
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Lithium's atomic weight is 6.94 g/mol.

27.6 g Li (\frac{mol}{6.94 g}) = 3.98 mol Li

Need anything else?

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