1) Answer: C) Aqueducts
Because after the romanization people adopted the Roman language, law and customs.
2) Answer: FALSE
La Alhambra is not a palace built by the Greeks.
It was originally constructed as a small fortress in AD 889 on the remains of Roman fortifications, and then largely ignored until its ruins were renovated and rebuilt in the mid-13th century by the Nasrid emir Mohammed ben Al-Ahmar of the Emirate of Granada, who built its current palace and walls.