There will be an error in the DNA code
The correct answer of the given question above would be option D. The option that did not occur during the Cenozoic era is the formation of the ozone layer. The ozone layer has long been there before any era since it is part of the earth's atmosphere. Hope this answer helps.
Answer:
It effects it because there's a possibility it can reduce the mountains to a smaller structure (breaking down), like a plateau, which would for sure leave a change in the landforms
Explanation:
<em>~Cornasha_Weeb</em>
