Can someone help me !! What can you say about the molar masses of the two substances? *

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

Part of molten rock at mid-ocean ridges

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize