________________ Provides the Cleanest Source of Energy

question 25

Multiple Choice

________________ provides the cleanest source of energy.

• A)Coal
• B)Oil
• C)Oil shale
• D)Natural gas
• E)Nuclear

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Definitions:

Axon

A long, slender projection of a nerve cell that typically conducts electrical impulses away from the neuron's cell body.

Dendrite

Short branched extensions of a nerve cell, along which impulses received from other cells at synapses are transmitted to the cell body.

Myelin Sheath

A fatty layer that surrounds the axons of some neurons, enhancing the speed of electrical signal transmission.

Node of Ranvier

A gap in the myelin sheath of a nerve fiber that facilitates rapid conduction of nerve impulses along the axon through saltatory conduction.