Who wants to join my remind class

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

The three lowest levels of thinking, according to blooms taxonomy, are

What does bts stand for? what is the importance of bts? who first started it?