The answer is 70% hope this helps
Island Hopping
Island hopping or leap frogging was the military strategy used by the Allies in the Pacific War against Japan and by the Axis powers in WWII
Sedimentary rocks form beneath the surface of the earth. 
Mummified fossils are commonly found in cold climates. 
<em>[ They are formed when remains are buried rapidly in dry cold or hot environments ]</em>