Jena is reviewing her notes on action potentials for a quiz. She makes an extra notation that before the action potential when the neuron is at rest, sodium channels .

Which type of neuroglia is found outside of the brain?

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.