Answer:
Obsidian is an igneous rock that forms when molten rock material cools so rapidly that atoms are unable to arrange themselves into a crystalline structure. It is an amorphous material known as a "mineraloid." The result is a volcanic glass with a smooth uniform texture that breaks with a conchoidal fracture (see photo).
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They will attract to the sweater because of positive and negative charges.
<span>True acid rain is a bio hazard it can hurt many living things. </span>
Scientific laws or laws of science are statements, based on repeated experiments or observations, that describe or predict a range of natural phenomena. ... Scientific laws summarize the results of experiments or observations, usually within a certain range of application.
