Ascientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. in this experiment the independent variable is
a
the temperature of the water
b
the amount of salt in the water
c
the water
d
the number of plants in the water

Active transport. now that i answered your question i wish you can me

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.