Hey lgbtq+ art class what should i draw for my own anime world

The phrase to every action there is an equal and opposite reaction is

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

For the difference command to work, what needs to happen?