Well if you were to ask me 1 is that sporulation can make lots of more plants but i dont know any disadvntages
Answer: Wind speed is also important. The rate of erosion caused by a 30-mile-per-hour wind is more than three times that of a 20-mile-per-hour wind. Wind erosion decreases as soil moisture increases. For example, dry soil erodes about one-and-one-third times more than soil with barely enough moisture to keep plants alive.
Explanation:
https://www.agry.purdue.edu/soils_judging/new_manual/ch6-wind.html Hope this helps
Seeing that our species is constantly evolving, maybe it is starting to get more uncomfortable to walk on all fours.
Answer: Pollution, climate change, habitat loss, or invasive species
Biotic factors include plants, animals, fungi, algae, and bacteria so the only answer would be invasive species