Q: Can a false pope become a saint?
A: yes
Explanation: A false pope, or antipope, is someone that tries to claim they are the true pope but the church rejects them. Hippolytus (c. 170235 AD) headed a schismatic group as a rival to the Bishop of Rome, thus becoming an antipope. Hippolytus (c. 170235 AD) was named a saint in the Roman Catholic Church.

Q: Did King of Portuguese people in 1515 have familial ties to the Tudors?
A: yes
Explanation: Manuel I was King of Portugal from 1495 to 1521. Manuel I of Portugal married Maria of Aragon. Maria of Aragon was the sister of Catherine of Aragon. Catherine of Aragon was the first wife of Henry VIII and was one of a handful that he did not behead.

Q: Would it be difficult for Kami Rita to climb Mount Emei?
A:
no
Explanation: Kami Rita has climbed Mount Everest 24 times. Mount Everest has an elevation of 8,848 m (29,029 ft). Mount Emei has an elevation of 3,099 metres (10,167 ft).