Answer:
A new Dana system of classification contains 78 different classes of minerals based on composition and then further classified by type and group. To be considered a mineral, a substance must be an inorganic, naturally formed solid, with a specific chemical formula and a fixed internal structure. To test whether something is a mineral, there are several identification tests to which the substance is subjected, including its resistance to scratching, its density in comparison to water, its color, the degree of light it reflects, the color of the powdered mineral, its breakage pattern and its crystalline form.
Explanation:
11.345
Explanation: 15.225 - 3.880 = 11.345
No he does not
Hopes it helped
The answer is B. Iron since it heats up the fastest
Answer:
freezing
Explanation:
because boiling is when subatomic are really far apart and excited, and freezing is when they are close together and compact, slow, and stable.