Uranium-238 (U-238) decays into lead-206 (Pb-206). Which of the following is a true statement?

A. Pb-206 is the parent, and U-238 is the daughter.
B. U-238 is the parent, and Pb-206 is the daughter.
C. A rock sample containing a relatively large amount of U-238 is old.
D. A rock sample containing a relatively small amount of Pb-206 is old.

The five themes in geography is the foundation for studying geographic topics. every geographic topic can fit into one or more of these five themes. this chapter covers some of the important themes and definitions in geography while demonstrating how geography impacts our lives on a daily basis. learning objectives: after completing this chapter, students must be able to: define with examples the five themes in geography. describe what geography is and how it impacts us everyday. analyze and explain why geography matters. in order to type and submit your assignment (20 points), first, go over the following items inside this folder: 1) what is geography power point lecture 2) what is geography (video) 3) why geography matters (video) 4) why geography is important (paper) 5) textbook readings (refer to page numbers on schedule in the syllabus)