Imperfect tense Spanish 2
I’m stuck

Con la nueva ley de medio ambiente que tendremos, el problema de tirar basura no existirá a. por escrito b. para siempre c. está para d. para entonces

Completa la oración con la voz pasiva con se. used cars for sale. carros usados. (there are no option choices, write the answer in the passive tense, don't use google translate)

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