The biological / neuroscientific perspective in psychology would be considered to have a holistic approach: it does NOT reduce complex psychological phenomena by explaining them in terms of the simplest component parts

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation:

voluntary muscles are controlled by the cerebellum.