Supply the corect form of the words
2 supply the corect form of the words.
1. some_____ eruptions are explosive ad others are ot ( volcano)
2. toxic pollution is contaminated water, soil and air that is _____(poison)
3 . human greehouse gas emissions are causing ____ warming(globe)
4. ________ sewage can spread disease and contaminate drinking water sources (treat)
5 flags _____ nations, not languages( symbol)
1. some_____ eruptions are explosive ad others are ot ( volcano)
2. toxic pollution is contaminated water, soil and air that is _____(poison)
3 . human greehouse gas emissions are causing ____ warming(globe)
4. ________ sewage can spread disease and contaminate drinking water sources (treat)
5 flags _____ nations, not languages( symbol)