Ascientist is observing when he or she is following a series of steps to solve problems.

what's the blank? i will give brainliest to first answer.

I think the answer is the experiment

I think it's A PROCEDURE.

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

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.