This would mean if you give the individual opportunies then they can make a difference in the world
Plastic is a modern wonder. Humans have developed a material so versatile through our own ingenuity. It is both flexible yet strong, and has helped us make a cleaner, more convenient world for ourselves. Plastic, however, has a dark side. The material is not biodegradable. In other words, Earth cannot naturally break down plastic and naturally recycle its materials like it can with other materials humans have used in the past. This has led to an environmental crisis in the Pacific Ocean.
I believe that the sentence is punctuated correctly, I at least couldnt find anything wrong with it
"that she was unhappy" is a noun clause because it is the subject of the sentence
hope you like my answer
