no snails are not harmful.
harmfull
Alpacas are not harmfull. They are very gentle
it is harmfull because it can kill people around the world
no
Apple snails are freshwater aquatic snails. Garden snails are land snails.Apple snails have lungs and gillsGarden snails have lungs onlyApple snails skin is thin and translucent (with slime)Garden snails skin is thick and leathery (with slime)All apple snails have two sets of antennaeGarden snails have species with one and two sets.
It is normal
it kills.
No
No.
yes
It is helpful.
yes