For any terrestrial planet in the solar system, the core would be the densest layer, and the crust would be the least dense layer.
Answer:
I believe they are called a population, tell me if I'm wrong.
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
Answer:
b
Explanation:
it must survive to reproduce
I think it’s B
I hope this is helpful