Answer:
Geologists use the following tests to distinguish minerals and the rocks they make: hardness, color, streak, luster, cleavage and chemical reaction. A scratch test developed by a German mineralogist Friedrich Mohs in 1822 is used to determine mineral hardness.
Students in law, public safety, corrections and security learn and practice skills that prepare them for diverse post-high school education and training opportunities, from apprenticeships and two-year college programs to four-year college and graduate programs.
There are lots of theories. Auguste Comte is known to formulate the Normative doctrine.
<h3>What is the Normative doctrine about?</h3>
Auguste Comte is one who was said to have envisioned a kind of ideal society where there is positivism and sociology that is eminent and also is higher and supreme.
He believed that sociological-scientific priests would tend to control using reasons. Comte in course of living did see himself as a prophet of this new religion that he had talk about.
Comte as a positivist, is one who believed in the natural instead of the supernatural, and so he stated that his time of around 1800s, was the positivist stage.
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Answer:
gas
Explanation:
Because if you mix gas and fire there will be an explosion
