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.
<span>Scientists choose where are units of time began and ended based on major changes in life forms at certain times</span>
I think it’s d mark Brainly ist plz
Hello!
answer:
1. Columbia
2. Venezuela
3. Peru
4. Brazil
5. Chile
6. Argentina
i hope this helps you!
Answer:
When residents of several Southern California cities were asked to draw maps of their residential areas, middle- and upper-income individuals included more details and area, while lower-income individuals included fewer details and area.
