1. I do experiments to test how different chemicals 2. For chemical reactions to take place, 3. For chemical reactions to take place and provide results. 4. Of a power plant or chemical facility - which I do. 5. And the chemical compounds needed to sustain life. 6. And instead of waiting for chemical reactions to take place, 7. Chemical smell on clothes or breath .8. Use selective and relatively safe chemicals . 9. This makes the control of chemical pollutants very difficult . 10. In this method, plants are grown in chemical nutrient solutions.
