Chromosome is the answer because it is
Answer:
the type of molecule-destroying enzyme he used
Explanation:
Frederick Griffith and Oswald Avery were scientific researchers who discovered DNA. Frederick Griffith began the research and Oswald Avery continued his research in 1944 when they made the discovery of DNA. When Avery repeated Griffith's research the experimental variable in Avery's experiment was the type of molecule-destroying enzyme he used.
1. D
2. idk
3. C
4. C
5. A
6. idk
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Earth day is celebrated on April 22 every year. it was first celebrated in 1970. it is celebrated to raise awareness for environmental protection and to take care of our planet ( earth ).
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Answer: Hope this helps!
It is useful to use light years when you have to measure a super long distance as a light is approximately 6 trillion miles. And astronomical units are known as measurements within our solar system.
