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Asked by Molly Parker on May 19, 2024

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Which greenhouse gas has NOT increased in recent decades? 

A)  water vapour 
B)  carbon dioxide 
C)  nitrous oxide 
D)  methane

Greenhouse Gas

Gases in Earth's atmosphere that trap heat, contributing to the greenhouse effect and impacting global climate change.

Nitrous Oxide

Nitrous oxide, also known as laughing gas, is a colorless, non-flammable gas used as an anesthetic in dentistry and surgery, and also as a greenhouse gas contributing to climate change.

Methane

A colorless, odorless flammable gas that is a major component of natural gas and a potent greenhouse gas contributing to global warming.

  • Discern and separate major from minor greenhouse gases, assessing their contributions to climate alteration.
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MX
Margarita XristoforovaMay 22, 2024
Final Answer :
A
Explanation :
Water vapor is not directly controlled by humans but rather a feedback mechanism to other greenhouse gases. Its concentration in the atmosphere is dependent on temperature and atmospheric conditions, which have not significantly changed in recent decades. On the other hand, carbon dioxide, nitrous oxide, and methane have all increased due to human activities such as industrialization and agriculture.

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