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E. Answer the following questions.
1.
"Human needs and wants are neither uniform in all parts of the world nor static over the years! Explain
the statement giving suitable examples.
B
wable resources. Which one of the two would you prefer
Answers
Answer:The earth in which we all are living today is a gift of several resources which are everlasting. These resources are termed as the natural resources and are available from the time when the earth was inhabited. We all are depended on these resources some or the other way. These resources include water bodies including oceans, seas, river, ponds, and freshwater.
The rocks, land, soils, forests, animals, fossil fuels, and minerals. These resources are termed as natural resources and are the source of life present on earth. Natural Resources are classified into Renewable resources and Non-renewable resources
Renewable Resources
The resources which are used by mankind from the starting of human life. These type of resources are used by our ancestors used for their purposes of lighting, shelter, transportation, cooking, heating, protection from wild animals, etc. Renewable resources are also called as non-conventional sources of energy.
Few examples of renewable resources are sun, wind, tidal energy, forests, mountains, soil, water bodies, animals and wildlife resources, atmospheric resources and lot more.
Non-Renewable Resources
The resources which cannot be easily replaced once they are destroyed are called as the Non-renewable resources.
Few examples of Non-renewable resources include a few species of plants and animals, minerals, fossil fuels, water, wind, land, soil, and rocks.
Now let’s have the major difference between Renewable Resources and Non-Renewable Resources.
Difference between Renewable and Non-renewable Resources
Renewable Resources Non-renewable Resources
Usage
This type of resources can be used over and over throughout its life. This type of resources should be used limitedly.
Type of Sources
They are the energy resources which cannot be exhausted as they are present in unlimited quantity. They are the energy resources which can be exhausted one day as they are present in a limited quantity only.
Environment-friendly
It is environment-friendly as the amount of carbon emission is low. It is not environment-friendly as the amount of carbon emission is high.
Cost-Effective
The total cost of these resources is low. The total cost of these resources is comparatively high.
Resources
Are pollution-free. Are not pollution-free.
Maintenance Cost
Very high maintenance cost. Very low maintenance cost.
Land Area
Requires a large land area for the installation of the power plant. Requires less land area for the installation of the power plant.
Type of Resources
It is a type of sustainable resources. It is a type of exhaustible resources.
Rate of Renewal
Is greater than the rate of consumption. Is lower than the rate of consumption.
Harmful Effects
Causes no harm to life existing on the planet earth. There is an adverse effect on human health by emitting smoke, radiations and other cancer-causing elements into the environment.
Examples
Sunlight, are examples of renewable resources. Coal, petroleum, natural gases, batteries, are examples of non-renewable resources.
Explanation:
Human needs and needs are repeating in nature and contrast from individual to individual and from society to society. They vary contingent upon the accessibility of assets, contingent upon nation's topography, climatic conditions, contingent upon its way of life.
For instance, for a poor immature nation which is inadequate with regards to enough assets, the human need attain an average way of life for its populace, guarantee the personal satisfaction to nationals by giving sufficient nourishment, food, wellbeing, training and so on.
For a developed nation, rich in resources, needs would be for industrialization, innovative advancements, to accomplish additionally progress and development.
Necessities are not static, as they change with time, with advancements. For instance with particular innovations, it has made our requirement for the internet, advanced mobile phones. Further inventions, will make another arrangement of requirements and will transform them.