Questions and Answers
What percentage of the Earth's surface do rainforests occupy?
7%
Which of the following is NOT mentioned as a way to minimize the use of toxic chemicals?
Using chemical-based cleaning solutions for better efficacy
What percentage of the atmosphere's oxygen is produced by rainforests?
40%
What is the primary reason for consuming vegetarian food according to the text?
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Apart from personal responsibility, what else does the text suggest individuals do to support environmental conservation?
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What percentage of global carbon emissions do private households contribute?
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What percentage of Earth's water is drinkable?
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What can help save energy and resources, with proper disposal preventing contamination?
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What is a major cause of outdoor air pollution and respiratory problems?
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By how much can carbon dioxide emissions be reduced by 2050 if 60% of vehicles become electric?
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What are the four primary realms that make up Earth's environment?
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What is the additional domain that consists of the Earth's magnetic fields?
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What are some of the natural factors that cause changes in the environment?
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What are some of the major ways in which humans have changed the environment?
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What are some ways in which the four primary components of Earth's environment interact with each other?
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What are the four primary realms that comprise Earth's environment?
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What additional domain is mentioned as part of Earth's environment?
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What are some natural factors causing changes in the environment?
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What are some of the major ways in which humans have changed the environment?
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How do the four primary components of Earth's environment interact with each other?
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Study Notes
Ways to Help the Environment
- Human beings are a part of nature and their actions impact the Earth's ecosystems
- Private households contribute over half of global carbon emissions
- UN Environment Programme states that efforts of 1 billion people can reduce global greenhouse gas emissions by 20%
- Ways to help the environment include waste sorting, reducing non-recyclable materials, using public transport, saving water, and donating to environmental organizations
- Less than 1% of Earth's water is drinkable, and one-third of the population faces extreme water scarcity
- Agriculture and industry sectors are the largest water consumers, with over 90% of total consumption
- Reduce, reuse, and recycle help save energy and resources, with proper disposal preventing contamination
- Vehicular traffic is a major cause of outdoor air pollution and respiratory problems
- Over six gigatons of carbon dioxide emissions can be reduced by 2050 if 60% of vehicles become electric
- Over 35% of emissions are from the energy sector, and steps can be taken to reduce energy consumption
- Food production will have to increase by 1.5 times by 2050 to feed the global population
- Reducing food waste and buying local food can help reduce energy consumption in the food sector
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