Question

11. In what document was the concept of sustainable development discussed for
first time?
12. Which parts of forest soils are highly fertile?​

Answer 1

Answer:

11) The Brundtland Report became the first document to support sustainable development as a multi-disciplinary field, as it explained that the economy, society, and the environment were key to sustainable development.

12) Soils that formed under deciduous forests are very fertile and productive agricultural lands because of the decomposing leaves at the soil surface. However, soils formed under pine trees are usually more acidic and sandy, and are less suited to growing crops.