Asymbiotic reletionship means

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.

What reaction is taking place? 02 + c3h8 = h20 + co2

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons