What is painting with pigment mixed with water/egg on a thin layer of fresh lime mortar or plaster often made during the renaissance and other early time periods?

Fresco: buon frescotechnique consists of painting with pigment ground in water on a thin layer of wet, fresh, lime mortar or plaster, for which the Italian word for plaster, intonaco, is used.

Answer1 string -e (the thinnest)2nd string-b,3 string -g,4th string -d,5th string-a, 6th string- plz check the answer first good luck

Iwould go with a or d would be your answer