Base your answers to questions 45 through 47 on the diagram below and on your knowledge of earth
science. the diagram represents earth in its orbit around the sun. locations a through d represent four
positions of earth in its orbit. earth is closest to the sun (perihelion) at position a, and farthest from the sun (aphelion) at position c.
at which position is the gravitational attraction between the sun and earth the greatest?
(1) a
(2) b
(3) c
(4) d