Dendrite is to axon as is to

a. receiving; sending

b. electrical; chemical

c. sending; receiving

d. action potential; reuptake

A) Receiving is to sending

There often many dendrites per neuron, but only one axon. dendrites branch in many directions and are sensitive to signals from other neurons. They receive these signals and pass them to the soma (the part of the neuron that contains the nucleus). It is the axon that sends these signals to other neurons. 

Long term continuous groundwater monitoring, especially with warning systems and anthropic activity monitors

Essential for a scientist to do for credibility

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.