Are created when something is caused to vibrate.
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Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?

Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2