number of different pairs the teacher can choose= nCr (18+14, 2)=496
no. of opposite gender pairs possible= 14 (since there are only 14 boys)
probability = 14/496= 7/248
The ecological footprint is a general assessement of the population while the ecological footprint per capita means the ratio a country's per capita Footprint to the per capita biological capacity available on Earth.
<h3>What is an Ecological Footprint?</h3>
This is best defined as the impact of human activities which is measured in terms of the area of biologically productive land and water required to produce the goods consumed and to assimilate the wastes generated.
The importance of Ecological Footprint is due to the fact that it does measures the biologically productive area that are needed to provide for everything that people demand from nature such as fruits, vegetables, meat, fish, wood, cotton, fibres, as well as absorption of carbon dioxide from fossil fuel burning and space for buildings and road.
In essence, the ecological Footprint assess how fast or quick the people consume resources and generate waste compared to how fast nature can absorb our waste and generate resources.
Read more about Ecological Footprint
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Note
