Hypotheses that are confirmed through repeated testing can lead to the development of a theory, such as the cell theory. What do all scientific theories attempt to do? 1) classify the natural world
2) explain the natural world
3) describe the natural world
4) predict events in the natural world

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.

Cuz i said so. which gives it to b

Mechanical energy from wind nonrenewable resource