Climate Change

Question

Climate change refers to significant changes in global temperatures and weather patterns over time. While climate change is a natural phenomenon, scientific evidence shows that human activities are currently driving a rapid increase in global temperatures. This rise is primarily due to the burning of fossil fuels, deforestation, and industrial processes that release greenhouse gases such as carbon dioxide (CO2) and methane (CH4) into the atmosphere.

The Greenhouse Effect

The greenhouse effect is a natural process that warms the Earth’s surface. When the sun’s energy reaches the Earth, some of it is reflected back to space and the rest is absorbed, warming the planet. Greenhouse gases trap some of this energy, preventing it from escaping into space and thus maintaining a temperature conducive to life. However, an excess of these gases due to human activity enhances the greenhouse effect, leading to an increase in global temperatures—resulting in what we term global warming.

Impacts of Climate Change

The consequences of climate change are vast and far-reaching. One of the most significant impacts is the increase in extreme weather events, including hurricanes, droughts, and floods. Additionally, climate change contributes to rising sea levels due to the melting of polar ice caps and glaciers, threatening coastal communities and ecosystems. Biodiversity is also affected; many species are at risk of extinction due to habitat loss and changing climates, disrupting ecosystems and food chains.

Mitigation and Adaptation

Strategies Addressing climate change requires a multifaceted approach that includes mitigation and adaptation strategies. Mitigation involves reducing greenhouse gas emissions through renewable energy sources, energy efficiency, and reforestation efforts. Adaptation encompasses adjusting societal practices and infrastructure to minimize the damage caused by climate change, such as building flood defenses and improving water management.

In conclusion, climate change is a pressing global issue that demands immediate attention and action. Understanding its causes and effects is crucial for developing effective strategies to combat this phenomenon and safeguard the planet for future generations.

Which of the following gases is NOT mentioned as a greenhouse gas in the passage?

(1 point)
Responses

Nitrous oxide (N2O)
Nitrous oxide (N2O)

Both A and B
Both A and B

Methane (CH4)
Methane (CH4)

Carbon dioxide (CO2)
Carbon dioxide (CO2)
Question 2
Which statement best explains the enhanced greenhouse effect?(1 point)
Responses

The natural greenhouse effect has stopped working due to human activity.
The natural greenhouse effect has stopped working due to human activity.

The sun is producing more energy, leading to global warming.
The sun is producing more energy, leading to global warming.

Greenhouse gases prevent all of the sun’s energy from reaching Earth.
Greenhouse gases prevent all of the sun’s energy from reaching Earth.

Human activities increase greenhouse gases, trapping more heat and raising temperatures.
Human activities increase greenhouse gases, trapping more heat and raising temperatures.
Question 3
What is the difference between mitigation and adaptation strategies as described in the passage?(1 point)
Responses

Adaptation reduces emissions, and mitigation builds defenses against climate impacts.
Adaptation reduces emissions, and mitigation builds defenses against climate impacts.

Mitigation reduces greenhouse gas emissions, while adaptation adjusts human systems to climate impacts.
Mitigation reduces greenhouse gas emissions, while adaptation adjusts human systems to climate impacts.

Adaptation focuses on protecting wildlife, while mitigation focuses on infrastructure.
Adaptation focuses on protecting wildlife, while mitigation focuses on infrastructure.

Mitigation addresses the symptoms of climate change, while adaptation focuses on the causes.
Mitigation addresses the symptoms of climate change, while adaptation focuses on the causes.
Question 4
Why might the loss of biodiversity be considered a significant consequence of climate change?(1 point)
Responses

It causes an increase in CO2 emissions.
It causes an increase in CO2 emissions.

It contributes to the melting of polar ice caps.
It contributes to the melting of polar ice caps.

It has no major impact on climate but affects other industries.
It has no major impact on climate but affects other industries.

It disrupts ecosystems and food chains, affecting human and environmental health.
It disrupts ecosystems and food chains, affecting human and environmental health.
Question 5
How do the concepts of the greenhouse effect and global warming relate to each other based on the passage?(1 point)
Responses

The greenhouse effect causes global warming by trapping excess heat due to increased greenhouse gases.
The greenhouse effect causes global warming by trapping excess heat due to increased greenhouse gases.

Global warming causes the greenhouse effect to stop.
Global warming causes the greenhouse effect to stop.

The greenhouse effect reduces global warming by reflecting sunlight.
The greenhouse effect reduces global warming by reflecting sunlight.

They are unrelated phenomena.
They are unrelated phenomena.
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Answer 1

Here are the answers to the questions based on the passage provided:

Question 1: Which of the following gases is NOT mentioned as a greenhouse gas in the passage?

• Response: Nitrous oxide (N2O)

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Question 2: Which statement best explains the enhanced greenhouse effect?

• Response: Human activities increase greenhouse gases, trapping more heat and raising temperatures.

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Question 3: What is the difference between mitigation and adaptation strategies as described in the passage?

• Response: Mitigation reduces greenhouse gas emissions, while adaptation adjusts human systems to climate impacts.

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Question 4: Why might the loss of biodiversity be considered a significant consequence of climate change?

• Response: It disrupts ecosystems and food chains, affecting human and environmental health.

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Question 5: How do the concepts of the greenhouse effect and global warming relate to each other based on the passage?

• Response: The greenhouse effect causes global warming by trapping excess heat due to increased greenhouse gases.

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