You can jog along the roads and countryside picking up litter, and you could also manually plant trees and other native vegetation in areas of sparse plant life to restore the habitat. You can volunteer with various programs dedicated to caring for the wildlife in an area. many of the volunteer programs require physical work to be done.
These are my suggestions for the final part of your homework: 6 - A; 7 - B; 8 - D; 9 - C; 10 - C.
The exercise follows the Sequence of Tenses rules.
For 2 the answer is C because you have two simultaneous actions which need same tense like, the Present.
You make frequent, quick stops.
You should choose neighborhood A, police and fire stations, festivals
You are close to helpful stations in case an accident happens at the festivals or your community. The other neighborhoods, if something goes wrong you dont know how long to wait for help.