<u>Answer:</u>
<em>Fresco (plural frescos or frescoes) </em>is a method of wall painting executed upon naturally laid, or wet lime mortar.
Water is utilized as the <em>vehicle for the dry-powder color</em> to converge with the mortar, and with the setting of the mortar, the sketch turns into a <em>vital piece of the wall.</em>
The essential materials that specialists use to make a fresco are paint and plaster.There are three primary sorts of fresco procedure: <em>Buon or genuine fresco, Secco and Mezzo-fresco.</em>
George Eastman introduced film roll in 1884.
It should be B
The answer is 556.67 rounds of to 557
Hope that helped