What does the amplitude of sound refer to? the sound’s frequency

the sound’s duration

the sound’s volume

the sound’s pitch

Why does the skin of your finger shrink when you wash clothes for a long time?

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

Cells are adapted to preform specific functions. which of the following terms refers to this capability?