"acidic hot spring"^^ . _:b1217568 . _:b1217568 . _:b1217565 . . _:b1217564 . "ENVO:00002120"^^ . "ENVO"^^ . _:b1217565 . _:b1217567 _:b1217566 . _:b1217564 . _:b1217566 _:b1217565 . "acid hot spring"^^ . _:b1217568 . _:b1217568 . "A hot spring whose water has an acidic pH."^^ . _:b1217567 . _:b1217565 . . _:b1217566 . _:b1217564 _:b1217567 .