Which type of transport requires energy to move sodium ions from a low concentration across the intestinal wall into a higher concentration?

a. active transport
b. passive transport
c. diffusion
d. osmosis

According to the audio, what might the weather include today? nubes sol nieve lloviznas lluvias torrenciales relámpagos

30 ! pls it is due complete the following conversation with the correct forms of the verbs ser and estar martin: "! hola berta! ? como (" berta: "bien, gracias. oye, (2) muy guapo" martin: "gracias. voy a una fiesta berta: "? si? ? donde ( la fiesta? " martin: "en la clase de lorena" berta: "? quien ( lorena? " martin: "lorena ( la prima de carlos. ella ( en nuestra clase de computacion. ( de la republica dominicana" berta: "( la chica alta, delgada y moreno ? verdad? " martin: "si. ? quienes ir a la fiesta? " berta: "no, gracias. ( ocupada"

Is anyone able to ? i am so confused. this sheet is about irregular preterit verbs and direct object pronouns in spanish.