The point of the experiment has been foiled by the choice to hand water one group and use sprinklers on the other. Whether talking to the plant or not did anything can't be proven because of this. If the student were to try to publish this experiment and the outcomes. Critics would be able to use the unequal treatment in water supply as a reason to discredit his/her experiment and dismiss the claims. When performing an experiment like this it is very important to treat each side as equal as possible.
<h2>They produce oxygen for the other living organisms </h2>
<span>The
peripheral nervous system (PNS) are all neurons located outside the brain and
spinal cord (which is the central nervous system [CNS]). There are two types of
peripheral nervous system: sensory (afferent) neurons and motor (efferent)
neurons. The former carries bits of information from the sense organs (touch,
smell, taste, hearing, and sight) around the body to the brain and spinal cord,
while the latter transports messages from the central nervous system (brain and
spinal cord to the muscles and glands.</span>
A the choices could be sprinkler method , drip irrigation and valves