Which is an example of how biotic and abiotic factors interact? a. sunlight increases the temperature of pond water b. water and soil mix together to make mud c. tree roots split apart rocks in the ground d. humidity in the air forms

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.