Answer:
Answer in explanation
Step-by-step explanation:
The article by the author is an interesting read and contains a whole lot of facts.
The main point the author is driving at is that the ozone hole is getting a kind of healing from its otherwise thought depletion continuation.
What he is trying to say is that, although over the years there has been a rate of decline in the layer, a recent study has shown that the decline rate has in fact slowed down and the hole thought to be on regular depletion is in fact getting healed at a rate in which the depletion has slowed