Lack of predators.
An abundance of Food.
A chloroplast are used for the process of photosynthesis which makes food
Earthquakes occur along faults because they're under pressure.
Faults are cracks in the Earth where the tectonic plates are moving in different directions, thus there is a pressure.
Answer:
On May 18, 1980, an earthquake struck below the north face of Mount St. Helens in Washington state, triggering the largest landslide in recorded history and a major volcanic eruption that scattered ash across a dozen states
Explanation: