What type of plate boundary formed the Andes Mountains? A. Convergent Boundary-Continental/Oceanic
B. Convergent Boundary-Oceanic/Oceanic
C. Convergent Boundary-Continental/Continental

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

About 140,000 japanese died in this japanese city when americans dropped an atomic bob at the end of world war ii

In russia which of these challenges affects the transportation of both petroleum products and other goods? a poorly repaired roads b harsh weather and vast distances c frozen waterways d separatist movements