Answer:
D. intense volcanic activity.
Explanation:
- The Paleozoic era an era in the geologic time and started about 541 million years. It originated due to the diversity of life forms on the planet. and ended about 252 mn years ago along with the end of Permian era.
- The extinction was related to the changes in climate and exceptionally low sea levels. During which about 95% of the marine species were killed.
The answer would be C) Intensity. This is because intensity is the measure of the strength and amount of shaking produced by an earthquake. This can be mistaken for magnitude, but magnitude measures the amount of energy released at the source of the earthquake. Hope this helps and have a great day!
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Wind which is caused by uneven heating.