Across
- 2. a scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact.
- 3. the part played by a person or thing in bringing about a result or helping something to advance.
- 4. willfully causing pain or suffering to others, or feeling no concern about it.
- 8. advance or develop toward a better, and complete state.
- 9. a study that helps to understand various harmful effects that chemicals, substances, or situations, can have on people, animals, and the environment.
- 10. is a public disagreement with two sides openly debating.
Down
- 1. of a new invention or product based on untested ideas or techniques and not yet established or finalized.
- 5. to use someone or something to gain for personal purposes.
- 6. is a substance's ability to cause harmful effects on the human body. It can be visible damage, or a decrease in performance or function. All chemicals can cause harm.
- 7. the action or process of replacing someone or something.