1 Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components.  A chemical substance is composed of one type of atom or molecule.
Tuesday:The Lynnwood forecast for Apr 18 is 50 degrees and Sunny. There is 77 percentage chance of rain and 11 mph winds from the South. Wednesday:The Lynnwood forecast for Apr 19 is 53 degrees and Light rain shower. There is 60 percentage chance of rain and 12 mph winds from the South.
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