Solve for a :
- 2a + 10 = 28

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.

In the construction of new housing development, which factor of production can be categorized as land?

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!