The water cycle is driven primarily by the energy from the sun.
I think A but you should double check with some one else.
Together, the CNS and PNS transmit messages throughout your body that instruct you to do essential functions, such as breath, move, see, smell, and think. The nervous system performs these additional functions:
Controlling heart rate
Releasing hormones
Regulating digestion
Protecting neurons and neurotransmitters
Influencing behavior and emotions
hope i helped