Precambrian rocks<span> are mostly covered by rock systems of more recent origin, but where visible they commonly display evidence of having been altered by intense </span>metamorphism<span>. Precambrian rocks often occur in shields, which are large areas of relatively low elevation that form parts of continental masses.</span>
        
                    
             
        
        
        
Answer:
Yes
Explanation:
Geography skills are very useful in so many different situations and as such, geographers have more than 100 different job titles. 
Examples of these skills include;
Ability to read, analyze and construct maps.
Ability to understand and or appreciate the existence of so many diverse cultures.
Ability to solve contemporary issues like urbanization and environmental justice amongst many others. 
 
        
             
        
        
        
Answer:
C. Airborne ash and rocks from a volcanic eruption remain suspended in the air for a long time before eventually settling to the ground in a new location far from the volcano.
Explanation:
Tephra deposits take many forms and shape, and their composition doesn't really matter either.  The only thing that defines a tephra really is that it was ejected from the mouth of a volcano and fell on the ground where it remained intact (not merged with something else).
So, forms of tephra could be big boulders landing on the volcano's side or ashes that travel around the globe to land on the other side of the planet.
 
        
             
        
        
        
Answer: B)Orion vehicle
Explanation: The Parker probe and the 2020 rover have already been launched.and the Hubble telescope is a telescope