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The World Population (Overview) Video Lecture | Geography Class 12 - Humanities/Arts

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FAQs on The World Population (Overview) Video Lecture - Geography Class 12 - Humanities/Arts

1. How many people are there in the world?
Ans. The current world population is estimated to be around 7.9 billion people as of 2021. However, this number is constantly changing due to births, deaths, and migration.
2. Is the world population increasing or decreasing?
Ans. The world population is currently increasing. Although the growth rate has slowed down in recent years, it is still steadily rising. Experts project that the population will reach 9.7 billion by 2050.
3. What factors contribute to the growth of the world population?
Ans. Several factors contribute to the growth of the world population. These include high birth rates in certain regions, improved healthcare leading to lower mortality rates, increased life expectancy, and advancements in agricultural practices ensuring food security.
4. Which countries have the highest and lowest population densities?
Ans. The country with the highest population density is Bangladesh, with approximately 1,265 people per square kilometer. On the other hand, Mongolia has one of the lowest population densities, with only around 2 people per square kilometer.
5. How does the world population growth impact the environment?
Ans. The world population growth has significant impacts on the environment. It leads to increased demand for resources such as land, water, and energy, resulting in deforestation, pollution, and greenhouse gas emissions. It also puts pressure on ecosystems, biodiversity, and contributes to climate change. Sustainable population management and resource consumption are essential for mitigating these environmental challenges.
64 videos|244 docs|49 tests

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