The sun and the planets formed together 4,6 billion years ago from clouds of gas and dust called the solar nebula
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.
B. how similar geological features could be continued from one continent to another.