YES! The current schedule messes with teens sleep patterns. Teens get tired at 11pm. So if 1st period starts at 7am thats not enough sleep. Yet younger kids, (more awake in mornings) have later start times.
'with the spots' - is an adjective phrase because it determine the noun puppy with wich it grant.
The correct answer is alphabetical order. The order of your sources cited should always be alphabetically sorted.