<span>C) Nucleoid
Hope this helps. c:</span>
Answer:
1) Weathering breaks down and dissolves rocks.
2) Wind and Rain as well as erosion.
3) Gravity, Wind, Water.
The mass extinctions that occurred 250 million years ago and 65 million years ago may have been due to gradual process or Catastrophic events.
the answer i think be a area a has more predators then area b because if it was disease or lack of food source they wouldn't that low i think
