Does "Alloying a metal is done by combining it with one or more other metals or non-metals that often enhance its properties." contain the correct answer to "What can be done to a metal to enhance its properties?"

A: yes

Does "On October 28 UAOC faithful, supported by Ukrainian Catholics, demonstrated near St. Sophia's Cathedral as newly elected Russian Orthodox Church Patriarch Aleksei and Metropolitan Filaret celebrated liturgy at the shrine." contain the correct answer to "Who were in the cathedral at the time of the protest?"

A: yes

Does "To achieve his aims, his masons drew on the several new features which evolved or had been introduced to Romanesque architecture, the pointed arch, the ribbed vault, the ambulatory with radiating chapels, the clustered columns supporting ribs springing in different directions and the flying buttresses which enabled the insertion of large clerestory windows." contain the correct answer to "What design element allowed the use of large clerestory windows?"

A:
yes