Class 4 Exam > Class 4 Videos > Science Olympiad Class 4 > Our Environment
Our Environment Video Lecture | Science Olympiad Class 4
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53 videos|44 docs|59 tests
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FAQs on Our Environment Video Lecture - Science Olympiad Class 4
| 1. What are the main causes of environmental pollution? |  |
Ans. The main causes of environmental pollution include industrial activities, vehicle emissions, deforestation, improper waste disposal, and the use of harmful chemicals.
| 2. How does deforestation impact the environment? | |
Ans. Deforestation leads to the loss of biodiversity, soil erosion, disruption of water cycles, and an increase in greenhouse gas emissions, which contribute to climate change.
| 3. What are the effects of air pollution on human health? | |
Ans. Air pollution can cause respiratory problems, such as asthma and lung cancer, as well as cardiovascular diseases. It can also worsen existing health conditions and reduce life expectancy.
| 4. How can individuals contribute to protecting the environment? | |
Ans. Individuals can contribute to protecting the environment by practicing sustainable habits such as reducing, reusing, and recycling, conserving water and energy, using eco-friendly products, and supporting environmental initiatives.
| 5. How does climate change affect ecosystems and wildlife? | |
Ans. Climate change can disrupt ecosystems by altering temperature and precipitation patterns, affecting the distribution and behavior of species. It can lead to habitat loss, increased risk of extinction, and changes in the timing of ecological events such as migration and breeding.
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Dec 22, 2024 Last updated |
Video Description: Our Environment for Class 4 2024 is part of Science Olympiad Class 4 preparation.
The notes and questions for Our Environment have been prepared according to the Class 4 exam syllabus.
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Video Lecture & Questions for Our Environment Video Lecture | Science Olympiad Class 4 - Class 4 full syllabus preparation | Free video for Class 4 exam to prepare for Science Olympiad Class 4.
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