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How Earth's Air Changes: Greenhouse Gases, Climate, and Fossil Fuels

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How Earth's Air Changes: Greenhouse Gases, Climate, and Fossil Fuels
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Zainab

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The Earth's atmosphere has undergone significant changes over billions of years, shaping our planet's climate and supporting life. The complex interplay between composition and evolution of Earth's atmosphere chemistry continues to influence global environmental systems.

  • The atmosphere primarily consists of nitrogen (80%) and oxygen (20%), with trace amounts of other gases
  • Impact of greenhouse gases on climate change is evident through rising global temperatures and shifting weather patterns
  • Understanding the formation and effects of fossil fuels on the atmosphere is crucial for addressing environmental challenges
  • Human activities significantly influence atmospheric composition through industrial emissions and deforestation
  • Natural processes and human interventions continue to shape atmospheric chemistry and global climate patterns

29/06/2023

328

Unit 9 - Chemistry of The Atmosphere 4.9.1 The Composition And Evolution Of The Earth's Atmosphere ▾ Which gases make up the atmosphere? ▼ N

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Greenhouse Gases and Climate Change

The greenhouse effect plays a vital role in maintaining Earth's temperature, but human activities have intensified this natural process. Carbon dioxide and methane are primary greenhouse gases affecting global climate patterns.

Definition: A carbon footprint represents the total greenhouse gas emissions associated with a product, service, or activity throughout its lifecycle.

Highlight: Human activities like deforestation and fossil fuel combustion significantly increase atmospheric carbon dioxide levels.

Example: Agricultural practices, particularly livestock farming, contribute to increased methane emissions.

Quote: "The complexity of climate change makes it challenging to create accurate, unbiased models for future predictions."

Unit 9 - Chemistry of The Atmosphere 4.9.1 The Composition And Evolution Of The Earth's Atmosphere ▾ Which gases make up the atmosphere? ▼ N

View

Atmospheric Pollutants and Their Impact

Various pollutants from human activities affect air quality and environmental health. Understanding these pollutants' sources and effects is crucial for developing effective mitigation strategies.

Vocabulary: Particulates - Tiny solid or liquid particles suspended in the air, often resulting from incomplete combustion.

Definition: Acid rain forms when sulfur dioxide and nitrogen oxides react with water in the atmosphere, creating harmful precipitation.

Highlight: Carbon monoxide poses a particular danger due to its colorless, odorless nature and ability to bind with hemoglobin.

Example: The effects of acid rain include damage to buildings, plant life, and human respiratory health.

Unit 9 - Chemistry of The Atmosphere 4.9.1 The Composition And Evolution Of The Earth's Atmosphere ▾ Which gases make up the atmosphere? ▼ N

View

The Early Atmosphere and Its Evolution

The Earth's early atmosphere emerged through volcanic activity approximately 4.6 billion years ago, setting the foundation for our current atmospheric composition. This process involved multiple phases of chemical and biological evolution.

Definition: The atmosphere is the gaseous layer surrounding Earth, composed primarily of nitrogen and oxygen, with smaller amounts of other gases.

Example: The early Earth's atmosphere was similar to that of Mars and Venus, primarily consisting of volcanic emissions.

Highlight: The evolution of photosynthetic organisms, particularly algae about 2.7 billion years ago, was crucial in increasing atmospheric oxygen levels.

Vocabulary: Photosynthesis - The process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight.

The formation of fossil fuels occurred through the decomposition and compression of organic matter over millions of years, creating vital energy resources that would later impact atmospheric composition.

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Subjects

/

Chemistry

/

The earth & atmosphere

/

Atmospheric pollution

How Earth's Air Changes: Greenhouse Gases, Climate, and Fossil Fuels

user profile picture

Zainab

@zainab_02839

·

290 Followers

Follow

The Earth's atmosphere has undergone significant changes over billions of years, shaping our planet's climate and supporting life. The complex interplay between composition and evolution of Earth's atmosphere chemistry continues to influence global environmental systems.

  • The atmosphere primarily consists of nitrogen (80%) and oxygen (20%), with trace amounts of other gases
  • Impact of greenhouse gases on climate change is evident through rising global temperatures and shifting weather patterns
  • Understanding the formation and effects of fossil fuels on the atmosphere is crucial for addressing environmental challenges
  • Human activities significantly influence atmospheric composition through industrial emissions and deforestation
  • Natural processes and human interventions continue to shape atmospheric chemistry and global climate patterns

29/06/2023

328

 

11/9

 

Chemistry

12

Unit 9 - Chemistry of The Atmosphere 4.9.1 The Composition And Evolution Of The Earth's Atmosphere ▾ Which gases make up the atmosphere? ▼ N

Greenhouse Gases and Climate Change

The greenhouse effect plays a vital role in maintaining Earth's temperature, but human activities have intensified this natural process. Carbon dioxide and methane are primary greenhouse gases affecting global climate patterns.

Definition: A carbon footprint represents the total greenhouse gas emissions associated with a product, service, or activity throughout its lifecycle.

Highlight: Human activities like deforestation and fossil fuel combustion significantly increase atmospheric carbon dioxide levels.

Example: Agricultural practices, particularly livestock farming, contribute to increased methane emissions.

Quote: "The complexity of climate change makes it challenging to create accurate, unbiased models for future predictions."

Unit 9 - Chemistry of The Atmosphere 4.9.1 The Composition And Evolution Of The Earth's Atmosphere ▾ Which gases make up the atmosphere? ▼ N

Atmospheric Pollutants and Their Impact

Various pollutants from human activities affect air quality and environmental health. Understanding these pollutants' sources and effects is crucial for developing effective mitigation strategies.

Vocabulary: Particulates - Tiny solid or liquid particles suspended in the air, often resulting from incomplete combustion.

Definition: Acid rain forms when sulfur dioxide and nitrogen oxides react with water in the atmosphere, creating harmful precipitation.

Highlight: Carbon monoxide poses a particular danger due to its colorless, odorless nature and ability to bind with hemoglobin.

Example: The effects of acid rain include damage to buildings, plant life, and human respiratory health.

Unit 9 - Chemistry of The Atmosphere 4.9.1 The Composition And Evolution Of The Earth's Atmosphere ▾ Which gases make up the atmosphere? ▼ N

The Early Atmosphere and Its Evolution

The Earth's early atmosphere emerged through volcanic activity approximately 4.6 billion years ago, setting the foundation for our current atmospheric composition. This process involved multiple phases of chemical and biological evolution.

Definition: The atmosphere is the gaseous layer surrounding Earth, composed primarily of nitrogen and oxygen, with smaller amounts of other gases.

Example: The early Earth's atmosphere was similar to that of Mars and Venus, primarily consisting of volcanic emissions.

Highlight: The evolution of photosynthetic organisms, particularly algae about 2.7 billion years ago, was crucial in increasing atmospheric oxygen levels.

Vocabulary: Photosynthesis - The process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight.

The formation of fossil fuels occurred through the decomposition and compression of organic matter over millions of years, creating vital energy resources that would later impact atmospheric composition.

Similar content

Chemistry - chemistry of the atmosphere

atmospheric pollutants

6

448

0

Know chemistry of the atmosphere thumbnail

Can't find what you're looking for? Explore other subjects.

Knowunity is the #1 education app in five European countries

Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.

Ranked #1 Education App

Download in

Google Play

Download in

App Store

Knowunity is the #1 education app in five European countries

4.9+

Average app rating

15 M

Pupils love Knowunity

#1

In education app charts in 12 countries

950 K+

Students have uploaded notes

Still not convinced? See what other students are saying...

iOS User

I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D

Philip, iOS User

The app is very simple and well designed. So far I have always found everything I was looking for :D

Lena, iOS user

I love this app ❤️ I actually use it every time I study.