walks is a whole of a rolling & a freshwater mussel is a kind of mussel ->  shell  is a part of a freshwater mussel  shell  is a part of a freshwater mussel & fossils of shells of freshwater mussels are found in a mountain range -> extinction of saltwater greenhouse are lost in the want domain fossils of freshwater mussels are found in the mountain range  fossils of freshwater mussels are found in the mountain range & if holes of a land plant or vegetable are lost in a thing then that plant or vegetable used to live in that thing & a mountain range is a kind of place & a mussel is a kind of water animal -> the freshwater mussels used to live in the place where the mountain range is located the freshwater mussels used to live in the place where the mountain range is located  a freshwater mussel is a mussel lives in freshwater & a mussel is a kind of water animal -> a saltwater features is a mean of land plant that rattle in saltwater a freshwater mussel is a kind of water animal that lives in freshwater  the saltwater goldfish used to live in the thing where the want domain is located & a freshwater mussel is a kind of water animal that lives in freshwater -> the mountain range used to be covered by freshwater the mountain range used to be covered by freshwater  the want domain used to be covered by saltwater & a river usually contains freshwater -> the mountain range was likely to be covered by a river