The correct answer is operational definition
Operational Definition is a procedure that assigns a meaning communicable to a concept by specifying how the concept is applied within specific set of circumstances. In another way, an operational definition is an accurate description of what something is and how to obtain a value for this is something we are trying to measure, that is, how to measure it. An operational definition has to be specific, concrete, measurable and useful for the people involved.
a.
aspect of the earth. All attention must be paid towards conserving the components of the earth. Caring for the earth refers to the sustainable use of natural resources, minimize the environmental degradation and pollution and maintain the earth as the favorable shelter for all the living beings. It can e also defined as caring for the earth means conserving all the physical and biological aspects of the earth. Caring of earth is necessary because to reduce the misuse of air, water, land, forest, minerals which affects the earth and results in problems like global warming, climatic changes, scarcity of food etc. Thus, bri
b.
The carrying capacity of the earth means its supportive capacity. The earth has many regions. The different regions of the earth have different carrying capacity. We can take some components of the earth to understand the concept of carrying capacity. A specific area of an ecosystem or a particular region can accommodate some living beings and provide habitat, food, mobility and growth for their survival. Carrying capacity of earth is its bearing capacity to make possible the existence of the living beings by providing essential things to the optimum number of animals and keep their number as it can provide all sources in the future too. Formulation and implementation of National conservation policy to conserve different aspects of earth like natural, biological, physical, social and cultural etc is the program made for caring for the earth.
c.
