Across
- 3. a form of energy to which we are constantly exposed and which may or may not have health consequence
- 7. A chemical substance or other agent that causes cancer.
- 8. Chemical or physical (for example, radiation, heat, cold, microwaves) agents that, under certain circumstances of exposure, can cause harmful effects to living organisms
- 9. a toxic agent
- 10. substance that through its chemical action usually kills, injures, or impairs an organism
Down
- 1. the biological effects produced by substances
- 2. naturally occurring organic poison produced by metabolic activities of living cells or organisms
- 4. Substances that cause an object to become less acidic when they come into contact with each other
- 5. When exposure to more than one toxic agent
- 6. the degree to which a substance is biologically harmful