3rd Grade ICSE

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18. The Environment

Long Answers

Prepared by: learnloophq@gmail.com

Last edited 37 days ago by Learn LoopHQ.

Chapter: 18. The Environment

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Explain what pollution is and briefly describe its different forms.

Pollution occurs when harmful materials dirty our environment, mainly due to human activities. Air pollution involves smoke and poisonous gases making the air unfit to breathe, often from vehicles and factories. Water pollution results from waste entering water bodies, making it unsafe for drinking and marine life. Land pollution happens when garbage and litter accumulate on the ground, affecting farming and groundwater. Lastly, noise pollution is caused by loud, unpleasant sounds from sources like loud music or vehicle honking, disturbing peace.

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Discuss the reasons why it is important to conserve our environment.

Conserving the environment means actively taking care of our Earth, including its air, water, plants, animals, and humans. It is crucial because our environment provides us with all essential resources like oxygen, water, and food for survival. Protecting the environment ensures that plants and animals are not badly affected by human activities, maintaining biodiversity. By conserving, we ensure these vital resources and a healthy planet are available for future generations. Therefore, it is our collective duty to safeguard the Earth’s natural balance.

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Describe the 3 R’s of conservation and how practicing them helps protect Earth’s natural resources.

The three R’s of conservation—Reduce, Reuse, and Recycle—represent the most effective strategy for protecting Earth’s natural resources. “Reduce” means actively using less of something, which directly cuts down on the demand for new resources and waste generation. “Reuse” involves using items multiple times instead of discarding them, extending their lifespan and preventing premature waste. “Recycle” focuses on transforming used or waste materials into new items, thus saving raw materials and energy needed for production. Collectively, practicing these three R’s significantly lessens our environmental footprint and conserves precious resources.

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Explain how air pollution affects both human health and the Earth’s climate.

Air pollution occurs when smoke and poisonous gases are released into the atmosphere from sources like cars, factories, or burning materials. This dirty air is highly detrimental to human health, as breathing it in can lead to various illnesses and make people sick. Beyond immediate health impacts, air pollution also contributes to the air becoming hotter. This increase in air temperature, in turn, directly contributes to the overall rise in Earth’s temperature, impacting global climate patterns.

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Describe some practical actions individuals can take to protect the environment.

Individuals have an important duty to protect the environment through various practical actions. Planting trees is beneficial as they help clean the air by absorbing harmful gases and releasing oxygen. Reducing reliance on vehicles by walking, cycling, or using public transport significantly lessens air pollution from poisonous gases. Properly disposing of waste and avoiding plastic bags helps keep our surroundings garbage-free and prevents land pollution. Furthermore, conserving resources like water and electricity by being mindful of their use contributes greatly to overall environmental preservation.

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