Answer: the oils from our hands can be extremely damaging to the paintings
Explanation:
Answer: decrescendo
Explanation: it means to gradually decrease in volume
Capitals - Paired columns which usually have a square top and round base. These usually depict biblical scenes or legends of local saints.
Latin cross - most churches or abbeys would follow the shape of a Latin cross. The Latin cross is a universal symbol of Christianity.
Piers - columns were replaced with piers which were often used to provide support to arches. the piers are usually cruciform (cross-like) in shape when they intersect two big arches.
The difference is when you draw by memory you won't remember every tiny detail, and you make/draw it in your own way vs. having the object in front of you you can copy it almost exactly.