The ozone layer serves a critical function by absorbing harmful UV rays from the sun, preventing them from reaching Earth's surface and causing damage.
Certain chemicals used in common products can release substances that deplete the ozone layer. These include:
These products often contained or were associated with compounds like chlorofluorocarbons (CFCs), which are known ozone-depleting substances.
Asphalt is a petroleum-based substance primarily used in construction, such as for roads and roofing. Unlike the substances listed above, asphalt does not contain significant ozone-depleting chemicals and is therefore not implicated in the depletion of the ozone layer.
Considering the typical applications and chemical compositions, asphalt stands out as not contributing to the destruction of the ozone layer.
Thus, Asphalt is the correct answer as it is not responsible for ozone layer depletion.
Photochemical smog is a resultant of the reaction among
Which of the following is NOT responsible for the degradation of our environment?
With reference to furnace oil, consider the following statements:
1. It is a product of oil refineries.
2. Some industries use it to generate power.
3. Its use causes sulphur emissions into environment.
Which of the statements given above are correct?
Why is there a concern about copper smelting plants?
1. They may release lethal quantities of carbon monoxide into environment.
2. The copper slag can cause the leaching of some heavy metals into the environment.
3. They may release sulphur dioxide as a pollutant.
Select the correct answer using the code given below.
Magnetite particles, suspected to cause neurodegenerative problems are generated as environmental pollutants from which of the following?
1. Brakes of motor vehicles
2. Engines of motor vehicles
3. Microwave ‘Stoves within homes
4. Power plants
5. Telephone lines
Select the correct answer using the code given below.