OPT:
a). ferns;
b). Hallucinogenic;
c). protected;
d). Dirty;
e). gills;
f). made;
g). Dried;
h). Edible;

Fact 1: Humans have collected and grown mushrooms for food for thousands of years. Fact 2: Edible mushrooms have been used by various cultures for centuries as a food. Given the two facts above, what types of mushrooms have humans collected for thousands of years?
Answer:
h).