Relating to the expansion of railroads - explain 2 positive impacts and 2 negative impacts

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.

On venus, which of the following drives geological change? a. hurricanes b. volcanoes c. tsunamis d. earthquakes

What makes a personal exceptionality/non-exceptionality