3.3 Anthropogenic Changes

What are the effects of oil spills on marine life?

• Fish populations thrive due to increased nutrients in the water.

• Coastal wetlands become contaminated, affecting local wildlife.

• Marine birds and mammals benefit from the oil coating their feathers.

• Oil spills have no significant impact on marine ecosystems.

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What is global warming?

• The long-term rise in Earth's average surface temperature due to human activities, primarily the emission of greenhouse gases.

• A temporary increase in temperature due to seasonal changes.

• The cooling of the Earth's surface caused by volcanic eruptions.

• A natural phenomenon that has no impact on climate change.

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What is the impact of increased carbon dioxide levels in the atmosphere?

• It leads to global warming and climate change.

• It decreases the Earth's temperature.

• It has no significant effect on the environment.

• It increases the oxygen levels in the atmosphere.

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What is ozone depletion?

• The increase of the ozone layer in the Earth's stratosphere due to natural processes.

• The reduction of the ozone layer in the Earth's stratosphere caused by chemicals such as chlorofluorocarbons (CFCs).

• The complete absence of ozone in the atmosphere leading to harmful UV radiation exposure.

• The process of ozone being created in the Earth's troposphere by vehicle emissions.

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What is acid rain?

• Precipitation that is significantly more acidic than natural, resulting from the release of sulfur dioxide and nitrogen oxides into the atmosphere.

• Rain that is beneficial for plant growth due to its nutrient content.

• A type of rain that occurs only in urban areas with high pollution levels.

• Rain that has a higher temperature than normal due to climate change.

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What are the main causes of environmental degradation?

• Deforestation, overfishing, and climate change.

• Population explosion, increasing urbanization, and rapid industrialization.

• Soil erosion, water pollution, and loss of biodiversity.

• Renewable energy use, conservation efforts, and sustainable agriculture.

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What is urbanization?

• The increasing population in urban areas, leading to the expansion of cities and towns, often resulting in environmental changes.

• The process of rural areas becoming more populated and developed.

• A trend where people move from cities to rural areas for a better quality of life.

• The decline of urban areas due to economic downturns and population loss.

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What was the BP oil spill?

• A catastrophic oil spill in the Gulf of Mexico in 2010 that caused extensive damage to marine and coastal ecosystems.

• A minor oil leak in a Texas refinery in 2012.

• An oil spill that occurred in the North Sea in 2005.

• A controlled oil release for research purposes in the Arctic.

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What are the long-term effects of rapid industrialization on the environment?

• Increased biodiversity and ecosystem stability.

• Increased pollution, habitat destruction, and depletion of natural resources.

• Improved air quality and reduced greenhouse gas emissions.

• Enhanced natural resource conservation and sustainable practices.

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What role do coastal wetlands play in the ecosystem?

• They act as natural filters for pollutants, provide habitat for wildlife, and protect shorelines from erosion.

• They primarily serve as recreational areas for fishing and boating.

• They are mainly used for agricultural purposes and crop production.

• They contribute to urban development by providing land for construction.

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