Answer:
The 5 Pillars of Islam are
Shahada (Faith)
Salat (Praying)
Sawm (Ramadan)
Zakat (Charity)
Hajj (Pilgrimage to Mecca)
Whatever choice isn't one of these isn't a Pillar of Islam
Observation and experiments
Answer:
I a good one would be the second one
Explanation:
They were the judges of the law, they enforced it or made laws