Category: example challenges

In the 80s, humans realised that they had caused a hole to form in the Ozone layer, part of the Earth’s atmosphere. The damage was caused by chemicals used in spray-cans and refrigeration called chloro-fluoro-carbons or CFCs. You can find out more about them on … Continue readingOzone

The words we use are part of our cultural heritage. What slang words do you use for everyday items? Share them with our socials. #mlc