Answer:
The ozone layer is being depleted due to CFC's. CFC's are found in aersoal spray cans and refrigants, when they are released into the atmosphere it causes depletion of the ozone layer. Humans are the one who made the CFC's, causing the ozone layer to deplete, even though they have been banned now, a lot of damage has been done.
Answer from Gauthmath
A circuit is the path that an electric current travels on, and a simple circuit contains three components necessary to have a functioning electric circuit, namely, a source of voltage, a conductive path, and a resistor.
ATP is Adenosine Triphosphate. It is the primary energy carrier in all living organisms. ATP is the energy metabolized from food and light collected by organisms. It is often referred to as the energy currency of life. ATP is used to power almost all of the cells activities by harnessing food and light. It powers muscle contraction, protein consumption, cell communication, heat mechanisms, and much more. I hope this helped you!!! :))