Which is a property of all bases? O A. Their formulas include OH ions. O B. They increase the H20* concentration in solution. C. Their formulas include H20+ ions. O D. They increase the OH concentration in solution. ​

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

How is the shape of the poem “peer” connected to its meaning?

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.