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Ozone at ground level is mainly formed by:

AReaction of NOx and VOCs under sunlight

BIncomplete combustion of fossil fuels

CIndustrial smelting emissions

DBurning of biomass

Answer:

A. Reaction of NOx and VOCs under sunlight

Read Explanation:

  • Tropospheric ozone is a secondary pollutant, formed when nitrogen oxides and volatile organic compounds react in the presence of sunlight.


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Which of the following is not a natural terrestrial ecosystem?
Which statement best represents the legacy of both Chipko and Appiko movements?
Who coined the term 'Ecosystem' in 1930?
രണ്ട് വ്യത്യസ്ത സ്പീഷീസുകൾക്ക് ഒരേ സ്ഥലത്ത് അല്ലെങ്കിൽ ആവാസ വ്യവസ്ഥയിൽ ദീർഘകാലം ജീവിക്കാൻ കഴിയില്ല. ഈ നിയമത്തെ വിളിക്കുന്നതെന്ത് ?

Select the statements that accurately describe examples of small-scale ecosystems.

  1. A tropical rainforest is an example of a small ecosystem.
  2. An aquarium tank represents a confined, small-scale ecosystem.
  3. A test tube experiment containing phytoplankton demonstrates a very small ecosystem.
  4. Oceans are considered small ecosystems.