¿Qué diferencia hay entre las construcciones deber + infinitivo y deber de + infinitivo?

Choose the term that best fits the description below of a severe weather condition. éste fenómeno en una acumulación de aire y agua de forma cónica que rota violentamente en su propio ojo. a. un huracán b. un tornado c. una tormenta d. un ciclón tropical

Tell why you feel picasso is of such importance to the world. tell what period of his painting life you like best and why (choose one of his works of art that you really like, and tell why). be sure to use correct grammar, spelling, and punctuation in your writing (in either english or spanish). you will be graded on: -your ability to express your ideas. -your ability to use proper language skills.

How would i answer ¿qué haces después de la escuela? and what is it saying?