Answer: i think its 80 million years ago
Explanation:
Answer:
The chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production. ... Free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone.
can be replenished over months, years, or decades.
Answer:
Powerhouse of the cell, creates ATP (energy for the cell).
Explanation:
Answer:
rly just move the boxes click on them than click and hold and drag across the board or click on it and hit <--backspace
Explanation: