Advertisements
Advertisements
Question
Imagine that all the exhaustible natural resources are exhausted by human activities. Do you think survival of living beings would be possible? If yes, why? If not, why not?
Advertisements
Solution
If all the exhaustible natural resources are exhausted by human activities, then the survival of living beings would not be possible. Actually, fossil fuels are the most important source of energy for us today. They are concentrated source of energy and give off heat and light on burning. The heat can be used to cook food or to run engines such as automobile engines. It can be used to generate electricity as in powerhouse where the most common fuel used is coal.
APPEARS IN
RELATED QUESTIONS
Give the names of two energy sources that you would consider to be exhaustible. Give reasons for your choices.
"The calorific value of cooking gas (LPG) is 50 kJ/g". What does it mean?
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
How does this device help in controlling air pollution?
What are the raw materials used for making biogas?
Write any two advantages of using biogas.
Which of the following is ultimately not derived from the sun's energy (or solar energy)?
(a) wind energy
(b) nuclear energy
(c) biomass energy
(d) ocean thermal energy
State whether the following is True or False.
Renewable energy resources have limited supply in nature.
Describe the four major types of coal.
Which among the following is the non-renewable resources?
Why petrol is exhaustible natural resource, whereas sunlight is not? Explain.
