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.
Lynnwood 10 Day Weather. Thursday:The Lynnwood forecast for Apr 13 is 51 degrees and Patchy light rain. There is 76 percentage chance of rain and 9 mph winds from the South. Friday:The Lynnwood forecast for Apr 14 is 48 degrees and Patchy rain possible.
Lakewood 10 Day Weather. 1  Saturday:The Lakewood forecast for Apr 15 is 70 degrees and Sunny. There is 38 percentage chance of rain and 4 mph winds from the Southwest. 2  Sunday:The Lakewood forecast for Apr 16 is 69 degrees and Sunny. There is 45 percentage chance of rain and 5 mph winds from the Southwest.