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.
Hourly Forecast Detailed. 1  0am:The Lakewood, CA forecast for Apr 15 is 56 degrees and Clear. There is 67 percentage chance of rain and 4 mph winds from the Southeast. 2  3am:The Lakewood, CA forecast for Apr 15 is 53 degrees and Clear. There is 74 percentage chance of rain and 2 mph winds from the Southeast.