What might make it hard for someone to use a dichotomous key? make a list of possible reasons.

When making a dichotomous key, the questions you are asking have to be specific enough to seperate into two groups. A problem could arise if they are vague, as it would be confusing and the classification may turn out wrong!

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.

Droughts cause very arid places such as a desert