What is the musical texture in a Gregorian chant?

Another Romanesque portal that established God's omnipotence and presented the church as a road to salvation is ____

a. Saint-Sernin at Toulouse b. Saint-Trophîme at Arles c. Speyer Cathedral d. Modena Cathedral

______ was the most popular form of art under the Mughal emperors of India

A) ?Miniature painting B) ?Mosaics C) ?Monumental sculpture D) ?Painting in cave temples