https://www.google.com.ph/search?q=decaying+materials&source=lnms&tbm=isch&sa=X&ei=h5_VU9 
G1MYTl8AWusYHICQ&sqi=2&ved=0CAYQ_AUoAQ&biw=1109&bih=549#facrc=_&imgdii=_&imgrc=S9 
6DCmIh6yVA0M%253A%3BjhbCtf- 
Eldon_M%3Bhttp%253A%252F%252Fupload.wikimedia.org%252Fwikipedia%252Fcommons%252F8%2 
52F8d%252FExample_of_a_pig_carcass_in_the_dry_decay_stage_of_decomposition.jpg%3Bhttp%253 
A%252F%252Fen.wikipedia.org%252Fwiki%252FMicrobiology_of_decomposition%3B3264%3B2448 
http://artmagic.homestead.com/spoiledrotten.html 
http://www.freshplaza.com/article/105769/Strawberry-postharvest-treatment-with-chitosan-to-control-the- 
storage-decay 
http://www.phrases.org.uk/meanings/fish-rot-from-the-head-down.html 
http://tribune.com.pk/story/289111/eid-sanitation-plan-23631-tons-of-animal-waste-disposed/ 
http://en.wikipedia.org/wiki/Microbiology_of_decomposition#mediaviewer/File:Example_of_a_pig_car 
cass_in_the_dry_decay_stage_of_decomposition.jpg

Lesson 3 decaying materials