Renewable resources include two types: renewable resources and non renewable resources.

After .....

Improper disposal of waste electrical appliances can not only bring convenience to humans through various high-tech electr.....

Compared to using native resources, using renewable resources can significantly save energy, water resources, and producti.....

By 2030, the global population is expected to reach 8.3 billion. More and more people need to consume a large amount of ra.....

Scrap metals are an important source of pollution, and there are many radioactive contaminated scrap metals among them. Do.....