When acting, how do you keep a straight face for as long as the scene lasts if something funny happened in the scene?

Anyone have a site they can give me so i can get some drawings tutorials?

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

Adevice of representation that is generally accepted is called a