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.
A volcano with an empty magma chamber would be called a caldera
Explanation: During certain types of explosive eruptions, a volcano's magma chamber may empty enough for an area above it to subside, forming a type of larger depression known as a caldera.
Answer:
The minimum, maximum and average 2007 population of the cencus tracts in the city of Austin is (minimum)10883; (maximum) 8323732; (average 2007) 736677
Explanation:
Answer:
The pros
Explanation:
The different types of energys
plate boundary can produce volcanoes