Well-preserved fossils of whales and other organisms have been found in the southern parts of mississippi. what could be a reason for this?

a) fossils are preserved in the rocks formed from the sediments deposited by rivers.

b)the bodies of organisms get preserved due to the dry weather conditions in the state.

c)the bodies of the organisms were preserved as lava from ancient volcanoes solidified into rock.

d) the erosion caused by the flooding of the mississippi river ensures that the bodies of the organisms are well preserved.