Why is the ocean salty? -Alysin, 10, Ruston, La.
rcwebberDear Alysin,
At first, I thought the answer to your question might take us deep into the ocean. But it turns out the source of our salty seas is actually on land.
Read More ...Dear Alysin,
At first, I thought the answer to your question might take us deep into the ocean. But it turns out the source of our salty seas is actually on land.
Read More ...