Jamestown was established and created on the James River, which is about 15 miles from the Chesapeake bay.
I think convergent is the word bcz it means that two plates that hit each other and formed the appalachain mountains hope its right.
Concentric circles are circles with a common center. The region between two concentric circles of different radii is called an annulus. Any two circles can be made concentric by inversion by picking the inversion center as one of the limiting points.
A.
D, because on that picture you had, A and D are above the equator of the earth so it is coldest. It is saltiest because it converts near where the blue meets the red.