Assertion: spadefoot's distribution | /r/CapableOf | support the idea
Facets:
value: heavily
type: DEGREE
Source sentences:
text: Taxonomists once classified every species of spadefoot toads as a member of a single family called Pelobatidae, but the geographical distribution of the spadefoot toad heavily supports the idea that there are two different branches: the American and European spadefoots.