The speed is not stable/constant , it`s changing
Life is the seemingly endless cycle of the repetitious processes of the mind altering psychoactive dispositions of intricate and faulty human responses to stimuli.
Answer:
testing contact numbers periodically
Explanation:
That makes most sense to me because calling their doctor serves no purpose, printing out weekly spreadsheet is waste of paper, and making sure one staff has training does not fit the question I think.
How do sensory receptors make it possible for you to perceive external stimuli?
It converts things like light, chemical molecules, sound waves and pressure to chemical messages that can be transmitted by the nervous system and interpreted by the brain
