Environmental Chemistry Crossword
Across
- 2. They attack and eat our food crops
- 7. DDT
- 10. DDT is_______as it moves up the food chain
- 12. Helps hydrocarbons combust better and release less pollution
- 13. Foods produced without chemical fertilizers, genetic modification,etc
- 14. Litmus at pH 6-8
- 15. The concentration of pesticides in higher levels of the food chain
Down
- 1. Pests can become________to pesticides
- 3. Papers with a combo of indicators to give a colour range that matches a pH range
- 4. A neutralization reaction that uses lime
- 5. Calcium carbonate
- 6. Red litmus to blue
- 7. Invented by Paul Hermann Muller
- 8. The reaction between an acid and a base
- 9. The pollutants from smokestacks and vehicle exhaust
- 11. Causes buildings and statues to corrode
- 16. Blue litmus to red
- 17. Most food chains consist of_____trophic levels