Medium: Any material used to create art.
Proportion: A principle of design that refers to the size relationship of an art work to each other and to the whole.
Technique: The manner in which the artist controls his medium to achieve the desired effect
Answer:
Option: a. St. Paul's, London
Explanation:
St. Paul in London is considered to be one of the beautiful cathedrals in England. The present Cathedral was famously architected by Sir Christopher Wren. Its construction began between 1675 and 1710 after it gets damaged in the Great Fire of London. St Paul's, with its towering dome, is an iconic characteristic of the London and its services began in 1697.
