Which of art, seen in drawing of a cube ,remonstrates depth through shading, contour lines, or highlights

First to answer will be the brainliest i need the answer asap

Opera combines music with which of the following

Which sentence contains a comma splice? marco rode to school on his bicycle this morning, he arrived an hour early.marco, who enjoys riding his bicycle to school, arrived just before the bell today.marco rode to school on his bicycle on monday, tuesday, and wednesday.marco, who rode to school on his bicycle this morning, arrived an hour early.mark this and returnsave and exit