Coal is not a mineral. It's not a mineral because minerals are inorganic. Coal is organic because it comes from decayed living matter.
Answer:
ag and au are sure not to react. but hg and sn might or might not
<span>polyethylene or polythene are the main ingredients </span>
Diffusion is the movement of a substance from an area of high concentration to an area of low concentration . Diffusion happens in liquids and gases because their particles move randomly from place to place . Diffusion is an important process for living things ; it is how substances move in and out of cells .
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Explanation:
Oxidation state of Nitrogen in N2O5 is +5