sentences: marine animals are water animals & heart falls normal heats of atmosphere people ->  marine fossils are fossils of water animals  marine fossils are fossils of water animals & marine fossils are found in mountains -> warming of land people are lost in valley fossils of water animals are found in mountains  fossils of water animals are found in mountains & if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past -> the valley used to be covered by land in the surprise the mountains used to be covered by water in the past  the mountains used to be covered by water in the past & if something used to be in the surprise then that something has changed & a mountain is a kind of environment & a body of water is a kind of environment -> the environment has changed from a body of water to mountains the environment has changed from a body of water to mountains  the environment has changed from a body of water to mountains & weeds are lost on the crustal bottom of space -> the environments on the crustal surface of earth have changed from a body of water to mountains