Advertisements
Advertisements
प्रश्न
"Burning fossil fuels is a cause of global warming." Justify this statement.
उत्तर
Fossil fuels are composed of carbon, hydrogen, nitrogen and sulphur. When these are burnt, the products are CO2, H2O, oxides of nitrogen and sulphur. Incomplete combustion of fossil fuels produces green house gases such as CO2, . If huge amount of fossil fuels are burnt, it would produce high amount of CO2 resulting intense global warming.
संबंधित प्रश्न
Write one or two word for the following statement/definition :
The physical and biological world where we live in
Name the organisms whose uncontrolled activities are damaging the environment.
The compound obtained on reaction of iron with steam is/are :
What substances in the soil are useful for the growth of plants?
Classify the following as natural or man-made.
pen
Classify the following as natural or man-made.
chair
When is the world environment day celebrated?
These are abiotic factors.
- Sunlight
- Bacteria
- Air
- Plants
Excessive exposure of humans to UV-rays results in
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
Explain some harmful effects of agricultural practices on the environment.
