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Answer:

Dr. Tierno tested the pillows for signs of microorganisms. He took samples from the pillow, then he grew the microorganisms in a petri dish.

Explanation:

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In order to check for germs, Dr. Tierno examined the pillows. A petri dish was used to grow the microorganisms after he collected samples from the cushion.

What was the aim experiment performed by Dr. Tierno?

  • Dr. Philip must determine whether the pillows utilized in the research contain microbes that cause allergies in a family in order to undertake the experiment examining the relationship between pillows and disease-causing germs.
  • This query gives Dr. Philip a starting point for his investigation and enables him to draw a conclusion regarding the study's pillows. Additionally, the study directly relates to the story's core theme.

Learn more about his experiment here:

https://brainly.com/question/24222141?referrer=searchResults

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