porque ha tomado paraguay las medias que se describen en el articulo con respecto al estdio de las matematicas

Which ion was formed by providing the second onization energy to remove an electron?

Which phrase best completes this sentence? en los almacenes están al aire libre. a. el supermercado b. el mall c. la feria artesanal d. la librería

Read the following sentence and choose the verb tense that should be used to translate it to spanish. it was a very beautiful place. a)preterit tense for a completed action b)imperfect tense for a description