Human activity on and around rivers has historically meant a decrease in which of the following? Check all that apply. I A. Trees and forests B. Aquatic biodiversity [ c. Human profits D. Industrial pollution​

Ageologist is working in an area with exposed sedimentary rocks and finds a well exposed sequence of stratified rocks. as he works through a thick sequence of limestone, he sees abundant large clam fossils that produce an interlocking texture suggesting a reef, but within the limestone section these clams disappear and the overlying limestone is made up primarily of fragments of corals. he now moves 50 km away and finds limestones interbedded with shales, and the limestones contain the same clam fossils he had seen previously 50 km away. as he continues through this section, the rocks become entirely limestone, and the clams disappear again with coral fossils above forming a reef structure. he concludes

Summarize the major functions of county governments including those shared with state governments

Which river is pictured on the map?