Answers

2016-01-24T21:49:32+05:30
Since the density of the fresh water is less than that of salt water since the fish sinks
Breify:
The density of the fresh water is less than that of the salt water so when the fish enters the fresh water it sinks due to less density 
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2016-01-24T22:18:52+05:30
Because sea water contains salt so it's density is high from fresh water.
Hence,ship sinks more in fresh water.
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