Answers

2015-07-12T19:00:08+08:00
Infectious diseases can be transmitted by: animals, holding doorknobs (most things that can transmit diseases), when flushing a toilet or something. It is better if we use alcohol after using the bathroom. And it is safer for our health to use 70% isopropyl alcohol to kill harmful germs.
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2015-07-13T18:55:41+08:00
Any things that you will share with others........
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