<span>The correct way to spell it would be: "unnecessary". I hope you find this useful, feel free to mark as brainliest, and good luck! :P</span>
Answer: He argued that observation and experimentation are the most important tools for understanding the natural world. ... It caused people to take a new, logical approach to scientific discovery based on experimentation and observation.
Answer:
so um. where's the highlighted pronoun?
Explanation: