Answers

2015-07-22T20:39:03+08:00
The Good Effects of The Physical Change In Environment, It May Helps As Improved Our Buildings Or Even In Our Life. The Bad Effects Of The Physical Change It Makes Our Traditional Or Cultures Abandoned.
The Good Effects Of The Chemical Change It Helps As Cure Our Diseases. The Bad Effects Of Chemical Change, It Makes Our Body Weaker And Also Damages Our Ecosystem. Hope It Helps :D
5 3 5
good
r u good in science?
Just A Bit :D