Which kinds of weather patterns occur in areas of low pressure? check all that apply. clear skies rain snow sunny skies thunderstorms

Its either a) or b),wind and water erosion gradually widen the canyon

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.

The direction a chemical reaction occurs is represented by an arrow