Give the correct form of the words
Give the correct form of the words.
1. Burning coal to produce electricity makes the air become ......................... (pollution)
2. People are worried about the effect of ..................... on the environment. (tourist)
3. Air pollution can cause serious ...................... issues for people and animals (healthy)
4. People have to face a lot of ......................... problem in modern life. (environment)
5. Human are affecting our environment .................................... (serious)
Có giải thích giúp ạ , cảm ơn ^^