Answer:
Melting glaciers when the lakes took their present form.
Nowadays, it's precipitation, rivers, and groundwater springs that bring new water to the great lakes.
Explanation:
Answer:
A freed thousands of slaves.
Explanation:
The Dred Scott decision was to freed thousands of slaves.The decision was to freed the slaves in any form.
He was the enslaved American African man.His color was black that is why he and his peer was unable to get proper justice in the United state .During 1857 he took a important decision regarding slavery in United states.
Estuary: it generally happens where rivers flow into the ocean