2.c
3.b
1.a
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Answer:
Steel is almost 2.9 times heavier the aluminium.
Answer:
Five Characteristics of a Mineral
Minerals Are Natural. You must find minerals in nature; substances concocted in laboratories don't qualify. ...
Minerals Are Inorganic. ...
Minerals Are Solids. ...
Definite Chemical Composition. ...
Crystalline Structure.
These are just some examples.
Explanation: