The work output of a machine divided by the work input is the resistance of the machine
Answer: CO alarms have a life expectancy of around seven years. The CO alarm will beep every 30 seconds or display ERR or END. If a CO alarm is at its end-of-life, replacing the battery will not stop the beep. Most detectors will beep 4 or 5 times in a row about every 4 seconds. Do not mistake dangerous levels of poisonous gas for a detector with low battery.
Explanation: (credits to the internet) Hope this helped! :D
The reduced the change of that matter
I know only three specific ones. They are: forebrain, midbrain, and hindbrain.
I am Guessing Sperm and egg