Answer:
The answer is Source 1, because it contains a lot of factual information
Explanation:If you know what "factual information"means it deals with facts and it is short and non explanatory. And in source 1 it says "A pamplet that includes diagrams and technical terms for the phases of the caterpillar's development" a pamplet is another thing for a brochure that just contains information.
Ponyboy and Johnny had to disguise themselves because Johnny killed someone to save Ponyboy's life and they were on the run from the cops. Ponyboy loved his hair because it symbolized who he was and he was a Greaser.