Help me please help please

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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

Name the painting above and its artist. what media was used to create this piece? why do you think the artist chose to use this media for this piece?

Which clef would be used for the violin? a. treble b. tenor c. bass d. alto what causes sound? a. electric fields b. magnetic fields c. vibrating electrons d. vibrating molecules