Please complete the chart!! :)

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

Plz instructions fill in the blanks with either saber or conocer, or pedir or preguntar conjugate the verb to match the subject of the sentence. saber vs. conocer 1. ellos __ inglés 2. ¿ tú al professor alvarado ? 3. nosotros españa 4. ¿ ella quién es él pedir vs. preguntar 1. mi hermano ¿ qué hora es ? 2. nosotros

En las ruinas de el salvador se puede ver la vida maya que fue preservada por capas de ceniza volcánica. true false