Testing on Animals

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