Getting the main idea 2 by Yueh Zhen Clara Tan https://padlet.com/tan_yueh_zhen_clara/blqjiylw7geo Made with wonder en-us 2018-04-07 06:08:06 UTC 2025-12-23 21:23:26 UTC hello@padlet.com What is the main idea of the following text? tan_yueh_zhen_clara https://padlet.com/tan_yueh_zhen_clara/blqjiylw7geo/wish/249397723 Many cities have smog. Smog is a dangerous gas formed when pollutants coming from car emissions and power and chemical plants react to sunlight. This gas is called ozone. The higher the ozone levels, the worse it is for people’s health. This is not to be confused with the good ozone in the upper atmosphere of Earth. ]]> 2018-04-07 06:09:54 UTC https://padlet.com/tan_yueh_zhen_clara/blqjiylw7geo/wish/249397723 The main idea of the text is tan_yueh_zhen_clara https://padlet.com/tan_yueh_zhen_clara/blqjiylw7geo/wish/249397794 ________________________________________________________________________________]]> 2018-04-07 06:11:14 UTC https://padlet.com/tan_yueh_zhen_clara/blqjiylw7geo/wish/249397794