Answer:
In the pic
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ÷)
Answer:
8. 
9. 
Step-by-step explanation:

^#8^

^#9^
Answer:
Trees.
Step-by-step explanation:
The houses look sturdy, and not that flammable. The trees and grass are very plentiful, so they would spread easily.
Please clarify if this wasn't what you were asking.
Answer:
a
Step-by-step explanation: