Advertisements
Advertisements
प्रश्न
Which of the following is responsible for protecting humans from harmful ultraviolet rays?
विकल्प
UV-A
UV-C
Ozone layer
None of the above
उत्तर
Ozone layer
APPEARS IN
संबंधित प्रश्न
The common source of outdoor air pollution is caused by combustion processes from the following ______.
The major contributor to Carbon monoxide is ______.
A primary cause of Soil pollution is ______.
The process of nutrient enrichment is termed as ______.
Which of the following is the main cause of deforestation?
What are the remedial measures to control noise pollution?
What are the causes of water pollution?
Mention the causes of land pollution.
With which of the following, the Agenda 21’ of Rio Summit, 1992 is related to?
What effect can fertilizer runoff have on an aquatic ecosystem?
Expand - PAN
Assertion: PAN is a secondary pollutant.
Reason: The secondary pollutants are produced by the combination of primary emitted pollutants in the atmosphere.
