Alguien me puede ayudar con esto
es para hoy urge quien lo conteste bien lo sigo por favor ​

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

Vestirme rápidamente porque no tengo mucho tiempo! a. después de b. tengo que c. se prohíbe d. antes de 5. ahora son las dos de la tarde. esta acostarme temprano. mañana necesito a se prohibe b. podemos c. tienes que d. voy a

Decide if the following sentence is true or false. "el maestro" quiere decir "teacher" en inglés.