Some people think products should be made to last as long as possible, while others think making products cheap is more important. Discuss both these views and give your own opinion. Give reasons for your answer and include any relevant examples from your own knowledge or experience. Write at...
I can relax myself while riding a bike. It’s good for my health and it’s easy to get a place for a bike. Third, the most important thing is that riding bikes can not only reduce pollution but also save energy. I hope everybody can ride a bike to go to school, go to work ...
The second is to pick a product that is made with benign ingredients. If you're unsure, read the label: If a product doesn't list its ingredients or has any "warnings," it's probably not safe. The sources of indoor air pollution are many and varied, but so are the solutions. To ...
Air pollution is a serious problem that is caused by man-made gases and chemicals released into the air. Learn about common sources of chemical pollution of the atmosphere and other types of air pollution, and ways that kids can help ...
"Green development can be clearly seen, as the city now has more trees and less pollution, and there are more energy-saving and carbon-reduction initiatives happening. The air is cleaner and fresher now," said Zhou Xiafeng, who has lived in Changzhou for over 50 years. (Video reporters:...
How to protect the environment has become one of the biggest problems in the world.Since the environment is very bad,such as water pollution,air pollution and so on .Why is the environment very bad?First of all,many people cut down more trees.In addition, many people have cars and drive...
For example,cars have made the air unhealthy for people to breathe andpoisonous gas is given off by factories. Trees on the hills have been cut downand waste water is being poured continuously into rivers。Furthermore,whereverwe go today,we can find rubbish carelessly disposed. Pollution is,in...
What is indoor air pollution? Indoor air pollution is created by the release of harmful pollutants inside. These can include fine particulate matter, carbon monoxide, and various other toxins. Indoor air pollution is a big problem in developing countries, where people often burn fuels indoors for...
but perfect for igniting in an engine. It mixes with air to create a combustible mixture that gets your car going. To get molecular, gasoline is made up of a mixture of hydrogen and carbon atoms. The composition depends on the refining process and the original source. Producers may include...
(M) Pollution is one of the biggest problems today. Water pollution has made rivers and lakes dirty. It kills fish and pollutes our drinking water. Noise pollution makes us become angry more quickly. Air pollution is the most serious kind of pollution. It is bad for all living things in ...