The sections are about mangroves, the relationship between mangroves and humans and the relationship between space and land.
Explanation:
The sections are about mangroves, the relationship between mangroves and humans and the relationship between space and land. They work as great topics, which better organize the text and expose more detailed and specific arguments and information. Although each section has a different subject, all these issues are related, as they are all about the world in which humanity lives, the relationships between them and the resources in the mangrove.
