a combination of specific etiologic factors is the answer.
Answer:
Energy goes into a system, flows from organism to organism, and then leaves the system. For example, with water, that water will rain, gather in a river or body of water, and evaporate, doing the cycle over and over again.
It sounds most like a generalized anxiety disorder but there could also be some OCD in there.
Its called the hypothalamus or neurons
both mean the samething
