Answers

2015-02-02T16:00:57+05:30
U should make on enviroment 

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plzzzzzzzzzz mark as best
plzz mark as best
2015-02-02T16:02:14+05:30
1. About plants and their mechanism of making and transferring food.
2. Heart (complicated and impressive)
3. Brain (this is more complex and undefined wholly, every one would love to know about it.)

I think you can choose one from the list.
 

 
 
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