How was the solar system modelled

Which statement describes why the us forest service is important a-it protects ecosystems, supervises public access of lands, and manages wilderness areas. b-it supervises public access of lands, manages wilderness areas, and enforces federal wildlife laws. c- it manages wilderness areas, enforces federal wildlife laws, and foreign governments with international conservation efforts. d- it enforces federal wildlife laws, foreign governments with international conservation efforts, and protects ecosystems.

What is the y-coordinate of the point that divides thedirected line segment from j to k into a ratio of 2.3? -6-557

Distance that the transcontinental railroad covered from omaha to san francisco.