user-avatar
510395033180829
2 năm trước
Phân tích số 48 và 72 ra thừa số nguyên tố
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Air pollution is a cause of ill-health in human beings .In a lot of countries there are laws limiting the information on the effects of smoke in the atmosphere , doctors have proved that air pollution causes lung diseases The gases from the exhousts of cars have also increased air pollution in most cities .The lead in petrol produces a poisonous gas which often collect in busy streets surrounded by high buiding . Children who live in areas where is a lot of lead in the atmosphere cannot think as quickly as other children and they are clumsy when they use their hands. There are other long-term effect of pollution. If the gases in the atmosphere continue to increase, thế earth climate may become warmer. A lot of the ice near the Poles may melt and may cause serious floods 1, what can make people sick? 2, where does smoke come from? 3, can air pollution causes lung diseases? 4, what else can cause air pollution in cities?

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team