What type of reaction is 3Mg + N2 → Mg3N2 ?

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.

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

Displacement is the slope of a velocity vs. time graph a. true b. false