When fresh water and saltwater meet<span> in an estuary, they do not always mix very readily. Because </span>fresh water<span> flowing into the estuary is less salty and less dense than water from the ocean, it often floats on top of the heavier </span>seawater<span>.</span>
Answer:
The correct answer is that the letter written by the souther congressmen agains the ruling of Brown v. Board of Education is Southern Manifesto.
Explanation:
This was as a response of many southernrs idea of integration.