Classify each characteristic according to whether it is true for an amoeba, a clock, or both. ~uses energy ~contains cells ~lacks genetic material ~reproduces ~has a defined boundary ~has internal organization

How is the motion of the particles of water at 80 ⁰c different from the motion of the particles of water when it is 30 ⁰c?

When water freezes, it . contracts expands

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time