The correct answer is A. An ecological footprint
Explanation:
The term "ecological footprint" is used to refer to all the natural resources including land, water, minerals, and others a person or a population demand according to their needs and lifestyle. Additionally, ecological footprint also measures the ecological impact or the resources and land necessary to assimilate the waste of people. This implies, the ecological footprint measures the impact of people on the environment as well as the dependence relationship on nature as all individuals need natural sources and also produce waste or support contamination. According to this, the land needed to provide sources and assimilate waste of people refers to the ecological footprint.
