If the sentences after the question are multiple-choice, I believe it is the second sentence (New information is discovered that contradicts the existing theory).
sugars and amino acids are made of the same elements except amino acids also cointan nitrogen.
The answer is D) 2 sex cells combine. That doesn't occur during mitosis.
Answer:
Seasons are caused by the Earth's auxiliary tilt. As the Earth revolves around the sun the tilt causes the Northern ans Southern hemispheres to trade places.
Explanation: