Which statement best describes how buffers perform their function? They contain water, which causes compounds to dissociate.

They contain substances that can react with either added acid or base.

They have hydronium ions, which lower the pH.

They have hydroxide ions, which raise the pH.

How does convection affect our atmosphere? our layers of earth? our oceans?

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.