Salty sea

Chris Packham explains why the sea is 220 times saltier than freshwater and how marine animals cope.

Release date: 21 Oct 2010

over a year left to watch

2 minutes


Role Contributor
Series ProducerRoger Webb
PresenterChris Packham
PresenterKate Humble
PresenterMartin Hughes-Games
PresenterChris Watson
Executive ProducerTim Scoones

This clip is from

Featured in...

Added. Check out your playlist Dismiss