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.
What Ilustration are u talking about and what’s the question?
<span>Rock salt and rock gypsum are common examples of chemical sedimentary rocks called evaporities.</span>
The large landmasses on Earth are called continents. There are seven recognized continents on the planet: Africa, Antarctica, Asia, Australia/Oceania, Europe, North America, and South America. The largest continent is Asia.
In 60 years, from 1801 to 1862, the amount of cotton picked daily by an enslaved person increased 400 percent. The profits from cotton propelled the US into a position as one of the leading economies in the world, and made the South its most prosperous region.