The largest mass extinction in earth's history occurred at the end of which era

Which is the largest ethnic group in guinea? malinkéfula (correct)kissisoussouand another question. guinea has always had a stable government led by elected presidents.truefalse (correct)

Which layer surrounds the center of the earth? a: crust b: core c: mantle

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what change has occurred during the last twenty-nine years? a) erosion of the hills b) an increase in marshland c) flooding of the area and the development of wetlands d) deposition of sediments and an increase in elevation