Write the sentences, using the correct form of the words in brackets: Herbicides are examples of ... in agriculture. (polluted)

Write the sentences, using the correct form of the words in brackets
1. Herbicides are examples of ___________ in agriculture. (polluted)
2. An __________ of agrochemicals is pesticides.(illustrate)
3. You mustn't drink the water in rivers because it is ________.(clean)
4. Polluted soil is ______ to use, isn't it?(safe)
5. Billboards, litter or junkyard may lead to _______ pollution.(visually)
6. Toxic sewage is __________ the nearby river.(contamination)
7. Contaminants are usually __________ to aquatic plants.(poison)
8. Radiation _________ results in birth defects of the next generation.(expose)