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The Importance of Stratospheric Ozone to Life on Earth

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Questions and Answers

What is the primary consequence of stratospheric ozone depletion?

Enhanced greenhouse effect
Reduced global temperatures
Changes in atmospheric pressure
Increased UV radiation reaching the Earth's surface (correct)

What is a natural factor that contributes to stratospheric ozone depletion?

Forest fires
Melting of ice crystals in the atmosphere (correct)
Lightning storms
Volcanic eruptions

What is the primary purpose of replacing ozone-depleting chemicals with substitutes?

To reduce greenhouse gas emissions
To prevent ozone depletion (correct)
To increase the Earth's surface temperature
To mitigate the effects of climate change

Which of the following greenhouse gases has a short residence time in the atmosphere?

Water vapor (A) Signup and view all the answers

What is the result of the greenhouse effect?

The surface temperature necessary for life on Earth to exist (B) Signup and view all the answers

Which of the following is a substitute for chlorofluorocarbons (CFCs)?

Hydrofluorocarbons (HFCs) (D) Signup and view all the answers

What type of species are invasive species often characterized as?

Generalist, r-selected species (A) Signup and view all the answers

Which of the following factors is NOT a cause of habitat fragmentation?

Natural wildfires (D) Signup and view all the answers

What is the term used to describe the main factors leading to a decrease in biodiversity?

HIPPCO (D) Signup and view all the answers

What can happen to species that are unable to adapt to changes in their environment?

They face extinction (C) Signup and view all the answers

What is the effect of global climate change on habitats?

Habitat loss via changes in temperature, precipitation, and sea level rise (B) Signup and view all the answers

What is one strategy to mitigate the impact of loss of biodiversity?

Creating protected areas (A) Signup and view all the answers

What is the reference point for comparing the impacts of different greenhouse gases on global climate change?

Carbon dioxide (D) Signup and view all the answers

What is the result of rising sea levels due to global climate change?

Changes in population dynamics and population movements (A) Signup and view all the answers

What is the impact of climate change on the Earth's polar regions?

Faster response times to global climate change (A) Signup and view all the answers

What is the primary cause of ocean warming?

Increase in greenhouse gases in the atmosphere (B) Signup and view all the answers

What is the effect of ocean acidification on coral?

Difficulty in forming shells (B) Signup and view all the answers

What is the result of climate change on marine ecosystems?

Some ecosystems are positively affected, while others are negatively affected (D) Signup and view all the answers

What is the impact of climate change on soil?

Changes in temperature and rainfall, leading to potential erosion (D) Signup and view all the answers

What is the cause of coral bleaching?

Loss of algae within corals (B) Signup and view all the answers

What is the role of winds in the Earth's climate system?

Winds help transport heat throughout the Earth (A) Signup and view all the answers

What is the characteristic of invasive species?

They can live and thrive outside of their normal habitat (C) Signup and view all the answers

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