I just need exercises 2 and 3 pls im gonna give brainliest if you answer them correct

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

¿cuáles eran los dioses principales de los incas? a el dios del sol y la lunab. el dios del sol y la tierrac. el dios de la lunad. el dios único

Which verb form correctly completes this sentence? ricardo y alberto las pinturas en la exposición. a. mira b. miramos c. miran d. miro