To find area you multiply its height by the width so 2x2 = 4 (what unit it is)
        
             
        
        
        
C. Australia is moving at about ~7 centimeters a year, which is about 67 millimeters.
        
             
        
        
        
Answer:
Index fossils, intrustions and cross-cutting relationships.
Explanation:
The correct list of three different geologic features that help scientists determine the relative ages of rocks by their position is "index fossils, intrusions, and cross-cutting relationships".
 
        
             
        
        
        
Physical, Political, and Special purpose
        
             
        
        
        
The opening of the Panama Canal affected transportation because now, sailors didn't have to sail ALL the way around South America.