What are the differences and similarities between a fjord and an estuary? I will name brainliest if correct.

Both firth and fjord are now generally defined as an arm of the sea. The difference is crucial - a firth (or fjord) is made up of undiluted sea water, but an estuary has a gradation of salt water dilution from fully salt water at its mouth to fresh water at its head, and experiences tidal f luctuations.

Explanation:

Hope this helps, not much to explain here but if you have any questions then comment them on this answer!

c. 2,000 bce

hope this