She is going away in Spanish

Calcula la concentracion de hidronio en la lluvia ácida si el ph es 4.35

Julio trabajó como periodista durante mucho tiempo; muy famoso. a. era b. eran c. es d. éramos

Describe a situation where you heard another language being spoken. did you know what language it was? were you able to understand what you heard? write a four- or five-sentence paragraph, in english, that describes this experience. write in english.