Why don't most desert streams empty into the ocean? a) located inland and too far awayb) dry up to quicklyc) they become playa lakes

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

How has technology impacted the study of geography? things to consider: use of computers and the internet satellites radar and sonar

Dating uses the properties of atoms in rocks and other objects to find their age a.comparative b.approximate c. absolute d. relative