1) the image shows the ozone layer. why do you think it looks this way? 2) why is it important to protect the ozone layer?

1) It looks this way because the pollution and human activities have affected it badly. This has caused a while in the ozone.

2) It is important to protect the ozone because the ozone does not allow the sun's ultraviolet radiations to pass through the earth's surface . These radiations are harmful for all living organisms. Moreover it maintains earth's temperature by reflecting sun's rays.

The product of 5 rational numbers is positive. at most "five" of these rational numbers can be negative.hope my answer has you : )