population trends

PPTX 20 стр. 2,6 МБ Бесплатная загрузка

Предварительный просмотр (5 стр.)

Прокрутите вниз 👇
1 / 20
changing population trends population trends ismoilova zebo the water can be sterilized by boiling it, but fuel is needed to do so. food is often unsafe or harder to digest unless it is cooked. without enough fuelwood, many people suffer from disease and malnutrition. in places that lack infrastructure, the local water supply may be used not only for drinking and washing but also for sewage disposal. as a result, the water supply becomes a breeding ground for organisms that cause diseases such as dysentery, typhoid, and cholera. in 2001, over 1 billion people worldwide lacked safe drinking water and more than 3 million died of diseases that were spread through water. people prefer to live where they have easy access to resources. growing populations may have a shortage of arable land, which is land that can be used to grow crops. growing populations also make trade-offs between competing uses …
2 / 20
se countries have rapid population growth, but are unable to make enough educational and economic gains to reduce the birth rate and move into the third stage. the international community has begun to focus on the least developed countries, in recent years. these countries show few signs of development and in some cases have increasing death rates, while birth rates remain high. least developed countries are officially identified by the united nations. these countries may be given priority for foreign aid and development programs to address their population and environmental problems. growth rates vary in different parts of the world. most of the world’s population is now within asia as seen above. managing development and population growth humans throughout history have witnessed the negative effects of population growth. today, less developed countries know that continued population growth can limit their economic development. governments of some countries have tried to reduce …
3 / 20
entury than in the last century. if current trends continue, most countries will have replacement level fertility rates by 2050. if so, world population growth would eventually stop. current fertility trends will result in a world population of about 9 billion in 2050. economic or political changes could lead to higher or lower numbers. image3.png image4.png image5.png image6.png image7.png image8.png image2.png /docprops/thumbnail.jpeg
4 / 20
population trends - Page 4
5 / 20
population trends - Page 5

Хотите читать дальше?

Скачайте все 20 страниц бесплатно через Telegram.

Скачать полный файл

О "population trends"

changing population trends population trends ismoilova zebo the water can be sterilized by boiling it, but fuel is needed to do so. food is often unsafe or harder to digest unless it is cooked. without enough fuelwood, many people suffer from disease and malnutrition. in places that lack infrastructure, the local water supply may be used not only for drinking and washing but also for sewage disposal. as a result, the water supply becomes a breeding ground for organisms that cause diseases such as dysentery, typhoid, and cholera. in 2001, over 1 billion people worldwide lacked safe drinking water and more than 3 million died of diseases that were spread through water. people prefer to live where they have easy …

Этот файл содержит 20 стр. в формате PPTX (2,6 МБ). Чтобы скачать "population trends", нажмите кнопку Telegram слева.

Теги: population trends PPTX 20 стр. Бесплатная загрузка Telegram