Slide 1 Slide 2 Unit 9 Saving the earth Slide 3 Air pollution Slide 4 water pollution Slide 5 waste pollution Slide 6 deforestation Slide 7 The area of desert is growing.…
Slide 1 Slide 2 Slide 3 Teaching Aims: 1. Participate in the discussion about these environmental problems to improve oral English. 1. Participate in the discussion about…
Industrialization is the development of an economy in which machines produce many of the products people use. Effects: a. Increases pollution of the air and water b. Increases…