Why is the sea salty?
Posted 23/11/2016
There is salt everywhere: in the soil, in rocks, in living things. Rivers carry this salt into the seas and it gets stuck there because there’s...
Read more
Copyright © 2022
Letterbox Lab® is a registered trademark of Hatton Science Communication Limited, registered in England and Wales with company number 10259964. Letterbox Lab, Unit 8, Fernleigh Business Park, Blaby Road, Enderby, LE19 4AQ. Click here to view our policies, terms and conditions.