The concept of environmental sustainability is best explained by which of the following examples? Strip-mining of coal on mountainsides, to keep miners from working in underground conditions
Answer A: Strip-mining of coal on mountainsides, to keep miners from working in underground conditions
A

Terracing rice paddies on hillsides, to prevent soil erosion and provide gravity-fed irrigation
Answer B: Terracing rice paddies on hillsides, to prevent soil erosion and provide gravity-fed irrigation
B

Clear-cutting trees in coastal woodlands, to provide building materials for constructing homes
Answer C: Clear-cutting trees in coastal woodlands, to provide building materials for constructing homes
C

Fattening cattle in dryland feedlots, to practice agriculture efficiently and at the lowest cost
Answer D: Fattening cattle in dryland feedlots, to practice agriculture efficiently and at the lowest cost
D

Draining of wetlands in residential areas, to reduce the presence of stinging insects