Answer is D Whereas theDepartment of Defense is charged with military actions abroad, theDepartment of Homeland Security works in the civilian sphere to protect the United States within, at, and outside its borders. Its stated goal is to prepare for, prevent, and respond to domestic emergencies, particularly terrorism.
Interpreting past environments, Indicating when the rock formed, and matching rocks of the same age found in different places are all uses for fossils found in sedimentary rocks so the only one left would be b) determining the mineral composition of the rocks
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