Whats the answer of dependent variables and independent varies

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point

Which of the following is not a characteristic of s waves?

How can nonpolar molecule contain polar covalent bonds