Charles Darwin's would be the answer you're looking for.
Answer:
<h3>How did it happen?</h3>
Explanation:
- Cause explains <u>the reason how something has happened or occurred. It helps in finding answers to how an incidence took place</u>. The question one should ask when one sees a cause clue word would be "How did it happen?"
- In this way the cause can be answered with answers explaining how it happened. For instance, when Jim asked Tom "How did it happen?", Tom replied "It happened when I kept the candles close to the screen so that I can do a hand shadow puppet".
He views the world very observantly
I think evidence or appeal
