Answer:
The largest lake in Central Europe is Lake Balaton
Assuming you asked a question, a land form smaller than a continent surrounded by water would be an island.
Yes, this is true:
Equator runs through the northern part of Lake Victoria (which is on the border between Kenya, Uganda and Tanzania). Specifically, it passes through some islands (the Ssese Islands, some of which are inhabited) on Lake Victoria that belong to Uganda.
18 States - North Carolina, Ohio, Alabama, Connecticut, New York, Georgia, Kentucky, Maine, Maryland, Massachusetts, Tennessee, New Jersey, New Hampshire, Pennsylvania, South Carolina, Vermont, West Virginia, and Virginia. The Appalachain mountains are found in these states, so it is only logical sediments could be found inside of them.