Answers

2016-04-19T12:14:44+05:30
Yes there are some seeds which float on water.they would be lighter than those seeds which sink,and they would be lighter bcoz they are empty seeds or seeds without an embryo or some seeds will be get eaten by some organisms like insects etc..........


hope this helps u. 
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2016-04-19T14:01:42+05:30
Yes.lighter seeds float on water but heavier seeds sink
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