It is generally believed that the (increase) __________ air pollution has caused serious problems such as global warming.
举一反三
- Which of the following is not caused by global warming? A: rising of sea levels B: melting of icebergs C: extinction of some animals D: serious water and air pollution
- Global climate change mainly refers to global warming caused by the increase of ( ). A: Harmful gases B: Noble gases C: greenhouse gases D: Air pollutants
- Which is an example of climate change? A: reforestation B: global warming C: air pollution
- The fast______(develop)of the local economy has caused serious pollution in thiscounty．
- The fast(develop)________ of the local economy has caused serious water pollution in this region.