Spelling Bee yineth silva

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Across
  1. 3. What is the gradual development of species over time through adaptation?
  2. 7. What word means to protect and preserve something, especially the environment or resources?
  3. 8. What word refers to the surroundings or conditions where a person, animal, or plant lives?
  4. 9. What is required to perform work or produce change, often derived from power sources?
Down
  1. 1. What happens when harmful substances contaminate the environment?
  2. 2. What do we call the use of scientific knowledge for practical purposes?
  3. 4. What action involves processing used materials to make them reusable?
  4. 5. What word describes everything around us that is not made by humans?
  5. 6. What is a large area covered chiefly with trees and undergrowth?
  6. 8. What is the branch of biology that deals with the relationships between living organisms and their environment?