You wake up on Monday morning at 7:28 and realize your school bus leaves in two minutes. You grab a shirt out of your drawer but know you don't have time to iron it. In relation to the wrinkles of the shirt, would you better off grabbing a polyester or cotton shirt? Why?

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

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