4 of the Geography glossary’s terms, each with the part of the syllabus where you first meet it.
A small planting pit, typically 20–40 cm across, dug before the rains and filled with manure or compost, that collects water and nutrients around a crop on crusted, degraded land.
The ring next to the central business district in the Burgess model, where older housing is being replaced by commercial and industrial uses and is occupied by the poorest residents and newest migrants.
A planning control that divides an urban area into zones in which only specified land uses or types of building are permitted.
Microscopic photosynthetic algae living inside the tissues of reef-building corals in a symbiosis, supplying most of the coral’s food and giving it its colour.