Answer the question below:   If Mona fills up a cup with water and places that water into the freezer, what happens to the density of the water as it cools down increases or decreases?    Assuming that:  When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
increases

Answer the question below:   Compared to an item with few carbon atoms an item with many carbon atoms will boil faster or slower?    Assuming that:  Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.
slower

Answer the question below:   Eric is swimming near shore. Tina is 100 meters out in the water. The water near Eric or Tina has fewer nutrients?    Assuming that:  Water near shore generally has more dissolved nutrients than water farther from shore.
Tina