One out of 18, yes
One out of 18, yes
Horses however only require grass, hay, etc, are self driving to an extent and can return home if needed, and have less environment impact than a car.
Same
These are instances, not communities. Like lemmy.world or sh.itjust.works, only these instances are focused on specific topics or discussions. You could visit them and look at what communities they have and follow those.
What bothers me most is calling a plum a berry.