All of the top, perhaps 5% of the bottom.
none of it, I am not an explorer
A lot of it! :)
about 98%
because oxygen has been around for as long as there was sea life and when the first one came out of the sea they technically discovered oxygen
I do not think that the Mediterranean Sea can be considered to have been "discovered". What we consider to be ancient civilisations were founded on its shores. It was the backyard swimming pool for the cradle of humanity.
Sea Lampreys have been known since ancient times.
About 3 percent from what i know
doh.. why would there be such a question as to how many endangered mammals are in the sea when not all creatures in the sea have been discovered yet!
It is not known who first discovered dolphins. But man has been fishing at sea for thousands of years and have undoubtedly seen them back then.
when were sea horses discovered
The area around the Dead Sea has been inhabited since the neolithic (stone age) and has been known since then. The first of the Dead Sea Scrolls were discovered by Muhammed edh-Dhib, a Bedouin nomad in1947 and the rest up until 1956 in eleven caves around the Wadi Qumran on the northwest shore of the Dead Sea.
Iodine
I know whales, dolphins, fish, sharks, and sea turtles. Please add on to these sea animals.
Vasco Nunez de Balboa discovered the South Sea. At the time, the Pacific Ocean was known as the South Sea.
he discovered the sea route around Africa