In spanish, why are the present-tense verbs for to compete considered to be stem-changing verbs?

Part two—express your ideas prompt in the video un día en la vida: colón, panamá, andrés and estefanía described their daily lives in panamá. using the information from the video, write a blog post (6–8 sentences) in spanish, in which you describe your vacation you took to panamá last week with your family! be sure to use the preterite tense when completing your blog post. you may use the verbs below, or you may choose your own: aprender hacer caminata tomar fotos beber ir viajar bucear manejar visitar caminar mirar subir enviar nadar surfear escribir explorar comer in your blog post, be sure to include the following: a topic sentence in which you address the prompt three or more places you visited while in panamá and what you did there four or more conjugated verbs in the preterite tense evidence from the video to support your ideas correct grammar and punctuation at least six sentences