The correct answer is:
a) Problem and solution
In composition, a problem and solution format is a type of text where you can identify a problem and proposing one or more solutions. A problem-solution essay is a type of argument. "This kind of texts involve argumentation in that the writer seeks to convince the reader to take a particular course of action. In this case the writer is trying to convince you to own a pet.
At the final moments, and the subsequent end, of the Vietnam War, the South Vietnamese tried to flee Vietnam and get asylum in neighboring countries and the US (the North Vietnamese forces had won the conflict).
They've faced many problems when fleeing the country due to many reasons, including the local climate, diseases, and the region's geography. Many perished trying to scape, while others died due to ambushes and traps made by the North (during and after the war to attack American soldiers or traitors/opponents of the North Vietnamese regime).
1. Fairytale story about animals
2. Convince them to start using more bio-products and being more Earth-friendly
3. Tell them something about the world that they haven't heard of yet
4. About being safe and not bullying and what the school can do to help
5. How-to make some delicious dessert!
The rose in the concrete is basically how someone can fulfill greatness despite their environment or background.