The answer is B. Shivering when Cold
Homeostasis is the maintenance of Stable Condition within the body
When we are experiencing a cold temperature, Our brain send a signal to our nerves to tighten and loosen really fast in order to create heat within our body. ( making it back to a stable temperature)
Two sources of light in a kitchen would be Ceiling or wall-mounted fixtures.
RPE which means rate of <span>perceived exertion</span>
Your question is not clear...please reread your question and retype it.