Tuesday, August 9, 2011
Science topics homework help !?
this section is about Air Pollution and stufff. and there's this crossword puzzle which i've got down. EXCEPT 2 down and 3 down. 3 down has 8 spaces, it asks " Humid air from ________ can deposit acids deep inside your lungs". and 2 down has 10 spaces and asks " __________ can absorb air pollutants directly through their skin". please and thankyou ! (:
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