A graph of energy consumption in the United States versus time slopes upward. This indicates that energy consumption has .

Which choice best completes the sentence?

stayed the same

decreased

fluctuated

increased

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Which statement best describes the he properties of iconic compounds ?

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