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प्रश्न
Give Technical Terms:
The chemicals leading to the formation of ozone holes.
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उत्तर
Chlorofluorocarbons (CFCs)
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संबंधित प्रश्न
The prime source of chlorofluorocarbons is ______.
With the help of a flow diagram, describe how energy from the sun flows through various trophic levels.
True or False:
Ozone in the Troposphere is a harmful pollutant.
Ozone is abundant in this layer. Ozone heats this layer as it absorbs from incoming ultraviolet radiation from the sun:
Give balanced equations for formation of ozone molecules from oxygen molecules. What type of reaction takes place, during the formation.
State the role of chlorofluorocarbons in ozone destruction or depletion [no equations required].
Which of the following may be a conclusion of the excessive exposure of humans to sun’s ultraviolet rays?
- Peptic ulcers
- Eye disease like cataract
- Damage to lungs
- Skin cancer
In 1987, the United Nations Environment Programme (UNEP) forged an agreement to freeze the production of a certain chemical to the year 1986 level. Name the chemical and the manufacturing companies m which this chemical was being mostly used.
In what way this chemical damage -
- the upper layers of the atmosphere and ultimately
- the organisms on the earth.
What is exactly measured in Dobson units or DU?
Which one of the following is measured in Dobson units (DU)?
