Good morning sir, I have attached the file needed. is it formal or informal

The byzantine style introduced what what into the history of art ?

Choose the word with stronger connotation to repleace the word scared a) terrified b) distressed c) frightened d) worried

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