Which of these is a natural factor that affects the environment

Natural factors that affect the environment include:

1. Climate change
2. Natural disasters (such as hurricanes, earthquakes, or floods)
3. Volcanic eruptions and ash clouds
4. Flooding and erosion
5. Droughts
6. Wildfires
7. Biodiversity loss and extinction events
8. Geological processes (e.g., tectonic plate movements)
9. Temperature variations
10. Natural resource availability (e.g., water, minerals)