A pair of perpendicular line segments intersecting at which point would be the diagonals of a square inscribed in the circle? A) (-2,1)
B) (-2,2)
C) (-1,1)
D)(-1,2)

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

Which example gives the relative location of a place? 50 main street 33 degrees n latitude, 91degrees w longitude east of the library 1600 pennsylvania ave., washington, d.c.

How does sea floor spreading relate to supercontinents?