Answer:
Biofuels may be cleaner and more sustainable than jet fuel.
Explanation:
Personally, I believe that sustainability is more important than financial stuff and has a longer-lasting impact.
I say its...
Traveling toward the west, the caravan made slow but steady progress.
Hope it helped :)
Answer:
A trendsetter. A person could start a small group of people doing a certain thing and as more people see them do it they might want to start to feel like they fit in. As the action/thing spreads, more people will join in and start doing it too. This could spread to the rest of the world or maybe just a small school.
Explanation:
