premise: a tropical environment usually has warm temperatures sent2: an ocean is a kind of body of water sent3: if fossils of an aquatic animal or plant are found in a place then that place used to be covered by water in the past sent4: a body of water is a kind of environment sent5: coral lives in tropical oceans sent6: coral is a kind of aquatic animal sent7: fossils of corals are found in ohio.
hypothesis: ohio used to be covered in warm oceans in the past