Answer: Hydrocarbons enter the cell by dissolving in the lipid bilayer of the membrane.
Explanation:
C. nucleus is the part of the atom that has most of its mass
Answer:
The earths rotation
Explanation:
as the earth rotates on its axis it causes day and night
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