Una oracion con pulverizador

Sheila conducts an investigation to see how the amount of salt dissolved in water affects the density of the water whichstatement best describes the correct plan for her procedure? the density and the amount of water are controls, and the amount of salt and the type of salt are variablesthe amount of water and the amount of salt are controls, and the type of salt and the density are variablesthe type of salt and the amount of water are controls, and the amount of salt and the density are variablesthe type of salt and the density of water are controls, and the amount of salt and the amount of water are variableso

Match the sentences with the missing verb. drag the items on the left to the correct location on the right. correct pide correct puedo correct piensa correct pedimos correct piensan correct piensas nosotros siempre una bebida en el restaurante. ellos viajar a istanbul por su aniversario. yo no salir mañana por la noche. tú siempre que ella está loca. ella tu opinión sobre la clase de español. ¿elena lo mismo que yo?

El estudiante leía una novela de terror cuando, de repente, alguien _ a su puerta a. llamé b. llamó c. llamando d. llamaba